{"title":"Combustion chambers","description":"\u003cstrong\u003eIf you do not see your model listed or if you have a special request contact us for more details.\u003c\/strong\u003e","products":[{"product_id":"cr85-combustion-chamber","title":"Honda CR85 Phathead combustion chamber","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eH01    8.2cc Stock\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eH02    7.6cc 95+ octane\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eH03    7.1cc 100+ octane\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eH04    6.4cc 105+ octane\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e52mm big bore chamber Wiseco 766M05200  and LukesRacing 105cc compatible(requires head gasket) $100\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"H01    8.2cc Stock","offer_id":40951546970251,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H02 7.6cc 95+ octane","offer_id":40951547003019,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H03   7.1cc 100+ octane","offer_id":40951547035787,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H04  6.4cc 105+ octane","offer_id":40951547068555,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"52mm big bore","offer_id":40951547101323,"sku":"","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_5afef9a2-972d-4098-940d-c47af1c74c32.jpg?v=1665702986"},{"product_id":"honda-cr125-phathead-combustion-chamber","title":"Honda CR125 Phathead combustion chamber","description":"\u003cp data-mce-fragment=\"1\"\u003eHonda CR125 Phathead cylinder head kit 1992-1999\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eH13  - 6.7cc stock compression\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eH14  - 5.8cc high compression\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp\u003eHonda CR125 Phathead cylinder head kit 2000-2003\u003c\/p\u003e\n\u003cp\u003eChamber selection:\u003c\/p\u003e\n\u003cp\u003eH11 - 8.2cc Stock compression\u003c\/p\u003e\n\u003cp\u003eH12 - 7.6cc (95+ octane)\u003c\/p\u003e\n\u003cp\u003eH13  - 6.7cc (100+\u003cspan\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eoctane\u003c\/span\u003e)\u003c\/p\u003e\n\u003cp\u003eH14  - 5.8cc (105+\u003cspan\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eoctane\u003c\/span\u003e)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eHonda CR125 Phathead cylinder head kit 1988-1991 and 2004-2007\u003c\/p\u003e\n\u003cp\u003eChamber selection:\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eK10 Stock \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eK11 - 9.2cc  (95+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eK12 -  8.5cc (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eK13  - 8.2cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eK14 - 7.6cc (110+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"H11 - 8.2cc Stock compression","offer_id":40951574626443,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H12 - 7.6cc (95+ octane)","offer_id":40951574691979,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H13  - 6.7cc (100+ octane)","offer_id":40951574757515,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H14  - 5.8cc (105+ octane)","offer_id":40951574823051,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K10 Stock","offer_id":40951574888587,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K11 - 9.2cc  (95+ octane)","offer_id":40951574954123,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K12 -  8.5cc (100+ octane)","offer_id":40951575019659,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K13 - 8.2cc (105+ octane)","offer_id":42681243107467,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K14 - 7.6cc (110+ octane)","offer_id":42681243140235,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_9136e52f-9a21-459f-998b-e3825d800685.jpg?v=1665704810"},{"product_id":"honda-cr250-phathead-combustion-chambers","title":"Honda CR250 Phathead Combustion Chambers","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e1992-1996 \/ 2005-2007\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eH30   - 21.8cc Stock compression\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eH31  -  20.5cc (95+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eH32  -   19.6cc (100+ octane) \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eH33  - 18.6cc  (105+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eH34  -  17.4cc (110+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e1997-2004\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eHF21  -  17.4cc Stock compression\u003cbr\u003eHF22  - 16.4cc (95+ octane)\u003cbr\u003eHF23  -  15.5cc (100+ octane)\u003cbr\u003eHF24  - 14.4cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"H30 - 21.8cc Stock compression","offer_id":41978965000331,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H31  -  20.5cc (95+ octane)","offer_id":40951717527691,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H32  -   19.6cc (100+ octane)","offer_id":40951717593227,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H33  - 18.6cc  (105+ octane)","offer_id":40951717658763,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H34  -  17.4cc (110+ octane)","offer_id":40951717724299,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"HF21  -  17.4cc Stock compression","offer_id":40951717789835,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"HF22  - 16.4cc (95+ octane)","offer_id":40951717855371,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"HF23  -  15.5cc (100+ octane)","offer_id":40951717920907,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"HF24  - 14.4cc (105+ octane)","offer_id":40951717986443,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_759a2da3-e259-446a-a0d4-58d38488a1f6.jpg?v=1665712144"},{"product_id":"honda-cr500-compression-release-chambers","title":"Honda CR500 Phathead Combustion  chambers","description":"\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHN50  -  66.4 Stock compression\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHN51  -  64.4cc (95+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHN52  -  62.5cc (100+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHN53  -  60.8cc (110+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"HN50  -  66.4cc Stock compression","offer_id":41082002505867,"sku":"","price":100.0,"currency_code":"USD","in_stock":true},{"title":"HN51  -  64.4cc (95+ octane)","offer_id":41082002538635,"sku":"","price":100.0,"currency_code":"USD","in_stock":true},{"title":"HN52  -  62.5cc (100+ octane)","offer_id":41082002571403,"sku":"","price":100.0,"currency_code":"USD","in_stock":true},{"title":"HN53  -  60.8cc (110+ octane)","offer_id":41082002604171,"sku":"","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_adfbcfb2-eb15-4763-a252-62ea593d4ad7.jpg?v=1669077192"},{"product_id":"suzuki-rm250-phathead-combustion-chambers","title":"Suzuki RM250 Phathead combustion chambers","description":"\u003cp data-mce-fragment=\"1\"\u003eSuzuki RM250 Phathead cylinder head kit 2003-2009  \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eY21 - 21.1cc Stock\u003cbr data-mce-fragment=\"1\"\u003eY22 - 20.1cc (95+ octane)\u003cbr data-mce-fragment=\"1\"\u003eY23 - 19.1cc (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003e\u003c\/strong\u003eSuzuki RM250 Phathead cylinder head kit 2001-2002  \u003c\/p\u003e\n\u003cp\u003eChamber selection:\u003cspan\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eS31 - 17.6cc   Stock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS32 - 16.4cc  (95+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS33 - 15.5cc  (100+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS34  - 14.4cc  (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSuzuki RM250 Phathead cylinder head kit 1996-2000\u003c\/p\u003e\n\u003cp\u003eChamber selection:\u003cspan\u003e\u003cbr\u003e\u003cbr\u003eS21 -  20.6cc   Stock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS22 - 19.2cc  (95+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS23 - 18.2cc (100+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS24 - 17.6cc  (105+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"Y21 - 21.1cc Stock","offer_id":41082116374667,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y22 - 20.1cc (95+ octane)","offer_id":41082116407435,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y23 - 19.1cc (100+ octane)","offer_id":41082116440203,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S31 - 17.6cc   Stock","offer_id":41082117357707,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S32 - 16.4cc  (95+ octane)","offer_id":41082117390475,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S33 - 15.5cc  (100+ octane)","offer_id":41082117423243,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S34  - 14.4cc  (105+ octane)","offer_id":41082117456011,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S21 -  20.6cc   Stock","offer_id":41727351849099,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S22 - 19.2cc  (95+ octane)","offer_id":41727351881867,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S23 - 18.2cc (100+ octane)","offer_id":41727351914635,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S24 - 17.6cc  (105+ octane)","offer_id":41727351947403,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_d685bcef-1655-46b7-b6af-b63655f7d631.jpg?v=1669053754"},{"product_id":"suzuki-rm125-phathead-combustion-chamber","title":"Suzuki RM125 Phathead combustion chamber","description":"\u003cp data-mce-fragment=\"1\"\u003eSuzuki RM125 Phathead cylinder head kit 2004-2007\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e Chamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eF11 - 7.8cc Stock\u003cbr data-mce-fragment=\"1\"\u003eF12 - 6.9cc (95+ octane)\u003cbr data-mce-fragment=\"1\"\u003eF13 - 6.0cc (100+ octane)\u003cbr data-mce-fragment=\"1\"\u003eF14 - 5.2cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSuzuki RM125 Phathead cylinder head kit 1991-2003\u003c\/p\u003e\n\u003cp\u003e Chamber selection:\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eY11 - 10.0cc Stock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eY12 -  9.3cc (95+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eY13 - 8.8cc (100+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"F11 - 7.8cc Stock","offer_id":41082123223179,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"F12 - 6.9cc (95+ octane)","offer_id":41082123255947,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"F13 - 6.0cc (100+ octane)","offer_id":41082123288715,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"F14 - 5.2cc (105+ octane)","offer_id":41082123321483,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y11 - 10.0cc Stock","offer_id":41082123354251,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y12 -  9.3cc (95+ octane)","offer_id":41082123387019,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y13 - 8.8cc (100+ octane)","offer_id":41082123419787,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_3e116cd1-0906-4e75-938a-03f2775fca21.jpg?v=1669053701"},{"product_id":"suzuki-rm85-phathead-combustion-chambers","title":"Suzuki RM85 Phathead combustion chambers","description":"\u003cp data-mce-fragment=\"1\"\u003eSuzuki RM85 Phathead cylinder head kit 1991-2021+\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eS01 - 6.9cc Stock\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eS02 - 6.4cc (95+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eS03 - 5.9cc (100+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eS04 - 5.6cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e53mm 105cc big bore \u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"S01 - 6.9cc Stock","offer_id":41082193838219,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S02 - 6.4cc (95+ octane)","offer_id":41082193870987,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S03 - 5.9cc (100+ octane)","offer_id":41082193903755,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"S04 - 5.6cc (105+ octane)","offer_id":41082193936523,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"53mm 105cc big bore","offer_id":42260575387787,"sku":"","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_d514cea4-6363-437d-a760-c127a1adf832.jpg?v=1669053797"},{"product_id":"ktm-husqvarna-gasgas-phathead-125cc-combustion-chamber","title":"KTM125SX Phathead 125cc combustion chamber 2016-2022\/23 HUSQVARNA GASGAS","description":"\u003cp data-mce-fragment=\"1\"\u003eKTM 125SX TC125 MC125 HUSQVARNA GASGAS Phathead 125 combustion chamber\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2016-2022\/GASGAS 2023\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eT125  9.4cc \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e Stock\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eT126  8.9cc (95+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eT127  8.5cc (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eT128  8.1cc (105+ octane)\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"T125  9.4cc  Stock","offer_id":41082263109771,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"T126  8.9cc (95+ octane)","offer_id":41082263142539,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"T127  8.5cc (100+ octane)","offer_id":41082263175307,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"T128  8.1cc (105+ octane)","offer_id":41082263208075,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_b8d67332-1b91-4aa2-816e-b571f3481319.jpg?v=1669055645"},{"product_id":"ktm-husqvarna-gasgas-phathead-150cc-combustion-chamber","title":"2016-2022 KTM150SX Phathead 150cc combustion chamber HUSQVARNA GASGAS","description":"\u003cp\u003e\u003cspan\u003e2016-2022 KTM 150SX Phathead 150cc combustion chamber HUSQVARNA GASGAS TC150 MC150\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChamber Selection:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eT150 \u003c\/span\u003e\u003cspan\u003e Stock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT151 (95+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eT152 (100+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"T150  Stock","offer_id":41082269139083,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"T151 (95+ octane)","offer_id":41082269171851,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"T152 (100+ octane)","offer_id":41082269204619,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_42ff7d07-571c-4f0f-88e6-d9cff419b761.jpg?v=1669055967"},{"product_id":"ktm-husqvarna-gasgas-250cc-chambers","title":"KTM250 HUSQVARNA GASGAS 250 combustion chambers","description":"\u003cp\u003eKTM250SX  TC250 MC250 HUSQVARNA GASGAS 250cc combustion chambers\u003c\/p\u003e\n\u003cp\u003eChamber selection:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eXC10  26.8cc   \u003c\/span\u003e\u003cspan\u003e XC stock compression\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eXC11  25.5cc   SX stock compression 98+\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eSX10   23.9cc   105+\u003c\/p\u003e\n\u003cp\u003eSX 11 22.5cc    110+\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"XC10  26.8cc    XC stock compression","offer_id":41082275561611,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"XC11  25.5cc   SX stock compression 98+","offer_id":41082275594379,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX10   23.9cc   105+","offer_id":41082275627147,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX 11 22.5cc    110+","offer_id":41082275659915,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_ffd09dd8-e820-43cc-8e04-76eb95647c6c.jpg?v=1669056546"},{"product_id":"ktm-husqvarna-gasgas-300cc-chambers","title":"KTM300  TC300 MC300 HUSQVARNA GASGAS 300cc combustion chambers","description":"\u003cp\u003eKTM300SX   TC300 MC300 HUQVARNA GASGAS 300cc combustion chambers\u003c\/p\u003e\n\u003cp\u003ecompatible with 300TPI - may require mapping\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eChamber selection:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eT320 28.5cc stock \u003c\/p\u003e\n\u003cp\u003eT330 27.4cc 100+\u003c\/p\u003e\n\u003cp\u003eT340 26.2cc 105+\u003c\/p\u003e\n\u003cp\u003eT350  25cc 110+ \u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"T320 28.5cc stock","offer_id":41082282705035,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"T330 27.4cc 100+","offer_id":41082282737803,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"T340 26.2cc 105+","offer_id":41082282770571,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"T350  25cc 110+","offer_id":41082282803339,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_f785f4b2-1ea0-46fe-b4e7-5c5e69a76a8b.jpg?v=1669060965"},{"product_id":"kawasaki-kx65-phathead-combustion-chamber","title":"Kawasaki KX65 Phathead Combustion Chamber","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK31   5.3cc Stock compression\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK32   4.9cc (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK33   4.4cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"K31   5.3cc Stock compression","offer_id":41082334249099,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K32   4.9cc (100+ octane)","offer_id":41082334281867,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K33   4.4cc (105+ octane)","offer_id":41082334314635,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_eb902613-caae-4b19-8db2-c43ffdddd05b.jpg?v=1669062022"},{"product_id":"kawasaki-kx85-phathead-combustion-chamber","title":"Kawasaki KX85 Phathead Combustion Chamber","description":"\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK01 - 6.4cc Stock compression\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK02\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e - 6.0cc  (95+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK03  -  5.6cc (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK04 - 5.2cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSee KX100 chamber for the Hotrods stroker insert\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"K01 - 6.4cc Stock compression","offer_id":41082335592587,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K02 - 6.0cc  (95+ octane)","offer_id":41082335625355,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K03  -  5.6cc (100+ octane)","offer_id":41082335658123,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K04 - 5.2cc (105+ octane)","offer_id":41082335690891,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_a5df1f2a-c0a9-45aa-875d-ae3ff03b0c97.jpg?v=1669062037"},{"product_id":"kawasaki-kx100-phathead-combustion-chambers","title":"Kawasaki KX100 Phathead Combustion Chambers","description":"\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eKX40  - 7.4cc Stock compression\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eKX41  - 6.4cc  (95+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eKX42  - 6.0cc (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eKX43 -  5.6cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eKX Stroker insert for Hotrods crank (listed as +4mm) is actually a +2mm  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHotrods has only one part number  for the stroker so we are sure that there is not a +2mm and +4mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eIf you have a Hot Rods stroker crank our insert will work\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"KX40  - 7.4cc Stock compression","offer_id":41082339721355,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"KX41  - 6.4cc  (95+ octane)","offer_id":41082339754123,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"KX42  - 6.0cc (100+ octane)","offer_id":41082339786891,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"KX43 -  5.6cc (105+ octane)","offer_id":41082339819659,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"HotRods stroker compatible insert (91+ octane)","offer_id":46202279985291,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_223deb63-7bcc-4792-b04c-8b99aa0695f3.jpg?v=1669062052"},{"product_id":"kawasaki-kx112-phathead-combustion-chambers","title":"Kawasaki KX112 Phathead Combustion Chambers","description":"\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eKX112  - 7.4cc Stock compression\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eKX113  - 6.4cc  (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eKX114  - 5.9cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"KX112  - 7.4cc Stock compression","offer_id":41082343686283,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"KX113  - 6.4cc  (100+ octane)","offer_id":41082343719051,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"KX114  - 5.9cc (105+ octane)","offer_id":41082343751819,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_857fc3cb-1dbe-4c69-b6c5-5cf5dcf520d8.jpg?v=1669062067"},{"product_id":"kawasaki-kx125-combustion-chambers","title":"Kawasaki KX125 Combustion chambers","description":"\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2003-2007\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eY11 - 10.0cc Stock\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eY12 -  9.3cc (95+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eY13 - 8.8cc (100+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2001-2002\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK11 - 9.2cc  Stock compression\u003cbr\u003eK12 -  8.5cc (95+ octane)\u003cbr\u003eK13 -  8.2cc (100+ octane)\u003cbr\u003eK14  - 7.6cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1998-2000\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eH11 - 8.2cc Stock compression\u003c\/p\u003e\n\u003cp\u003eH12 - 7.6cc (95+ octane)\u003c\/p\u003e\n\u003cp\u003eH13  - 6.7cc (100+\u003cspan\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eoctane\u003c\/span\u003e)\u003c\/p\u003e\n\u003cp\u003eH14  - 5.8cc (105+\u003cspan\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eoctane\u003c\/span\u003e)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"Y11 - 10.0cc Stock","offer_id":41082360856715,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y12 -  9.3cc (95+ octane)","offer_id":41082360889483,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y13 - 8.8cc (100+ octane)","offer_id":41082360922251,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K11 - 9.2cc  Stock compression","offer_id":41082360987787,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K12 -  8.5cc (95+ octane)","offer_id":41082361020555,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K13 -  8.2cc (100+ octane)","offer_id":41082361053323,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K14  - 7.6cc (105+ octane)","offer_id":41082361086091,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H11 - 8.2cc Stock compression","offer_id":41082361118859,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H12 - 7.6cc (95+ octane)","offer_id":41082361151627,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H13  - 6.7cc (100+ octane)","offer_id":41082361184395,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"H14  - 5.8cc (105+ octane)","offer_id":41082361217163,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_7fd55040-11e8-4ea0-8ffe-e246bc7174b4.jpg?v=1669063277"},{"product_id":"kawasaki-kx250-phathead-combustion-chambers","title":"Kawasaki KX250 Phathead Combustion Chambers","description":"\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2005-2007\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eW21 -  21.6cc Stock compression\u003cbr data-mce-fragment=\"1\"\u003eW22 - 20.2cc (95+ octane)\u003cbr data-mce-fragment=\"1\"\u003eW23 - 19.4cc (100+ octane)\u003cbr data-mce-fragment=\"1\"\u003eW24 - 18.3cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1995-2002\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK21 -  21.6cc Stock compression\u003cbr data-mce-fragment=\"1\"\u003eK22 - 20.2cc (95+ octane)\u003cbr data-mce-fragment=\"1\"\u003eK23 - 19.4cc (100+ octane)\u003cbr data-mce-fragment=\"1\"\u003eK24 - 18.3cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"W21 -  21.6cc Stock compression","offer_id":41082494025867,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"W22 - 20.2cc (95+ octane)","offer_id":41082494058635,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"W23 - 19.4cc (100+ octane)","offer_id":41082494091403,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"W24 - 18.3cc (105+ octane)","offer_id":41082494124171,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K21 -  21.6cc Stock compression","offer_id":41082494156939,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K22 - 20.2cc (95+ octane)","offer_id":41082494189707,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K23 - 19.4cc (100+ octane)","offer_id":41082494222475,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"K24 - 18.3cc (105+ octane)","offer_id":41082494255243,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_f71a8dc1-79cf-4925-b07c-48b53fc0ac84.jpg?v=1669077140"},{"product_id":"kawasaki-kx500-phathead-combustion-chambers","title":"Kawasaki KX500 Phathead Combustion Chambers","description":"\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK51 - 42cc  Stock compression                                                                                        \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e    K52 -  40.6cc  (100+ octane)\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eK53 - 38.2cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"K51 - 42cc  Stock compression","offer_id":41082507821195,"sku":"","price":100.0,"currency_code":"USD","in_stock":true},{"title":"K52 -  40.6cc  (100+ octane)","offer_id":41082507853963,"sku":"","price":100.0,"currency_code":"USD","in_stock":true},{"title":"K53 - 38.2cc (105+ octane)","offer_id":41082507886731,"sku":"","price":100.0,"currency_code":"USD","in_stock":true},{"title":"K51 compression release - 42cc  Stock compression","offer_id":41082528694411,"sku":"","price":100.0,"currency_code":"USD","in_stock":true},{"title":"K52 compression release  40.6cc  (100+ octane)","offer_id":41082528727179,"sku":"","price":100.0,"currency_code":"USD","in_stock":true},{"title":"K53 compression release - 38.2cc (105+ octane)","offer_id":41082528759947,"sku":"","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_ab27ef5e-21c2-46f1-955d-318e0869325d.jpg?v=1669077166"},{"product_id":"yamaha-yz85-combustion-chambers","title":"Yamaha YZ85 combustion chambers","description":"\u003cp\u003eChamber selection:\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003eY01 - 6.4cc  Stock\u003cbr\u003eY02 - 6.0cc (95+ octane)\u003cbr\u003eY03 - 5.6cc (100+ octane)\u003cbr\u003eY04 - 5.2cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eY105 Big bore 52.5  91+(100 suggested)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eY110 Big bore +2mm Hot Rods stroker crank 4134\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"Y01 - 6.4cc  Stock","offer_id":41082539638923,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y02 - 6.0cc (95+ octane)","offer_id":41082539671691,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y03 - 5.6cc (100+ octane)","offer_id":41082539704459,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y04 - 5.2cc (105+ octane)","offer_id":41082539737227,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y105 - 52.5mm big bore 91+ octane","offer_id":41762299773067,"sku":"","price":110.0,"currency_code":"USD","in_stock":true},{"title":"Y110 -  Big bore +2mm Hot Rods stroker crank 4134","offer_id":46289368613003,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_24ce1c4c-d702-4f38-86ba-82b9cf0aa5b9.jpg?v=1669081477"},{"product_id":"yamaha-yz125-combustion-chambers","title":"Yamaha YZ125 combustion chambers","description":"\u003cp\u003e\u003cstrong\u003eChamber selection:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2005+\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFX11 - 8.3cc Stock\u003cbr\u003eFX12 -  7.8cc (95+ octane) \u003cbr\u003eFX13 - 7.2cc (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1994-2004\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eY11 - 10.0cc Stock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eY12 -  9.3cc (95+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eY13 - 8.8cc (100+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOE cylinder 144cc 58mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFX144 - (91+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFX145 - (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAthena 58mm 144cc 2005-2021\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAthena144 9.8cc (91+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAthena145 9cc (100+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAthena 58mm 144cc 2022-Present\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAthena144-22 9.8cc (91+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAthena145-22 9cc (100+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"FX11 - 8.3cc Stock","offer_id":41082578370699,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"FX12 - 7.8cc (95+ octane)","offer_id":42598964166795,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"FX13 - 7.2cc (100+ octane)","offer_id":42598964199563,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y11 - 10.0cc Stock","offer_id":41082577256587,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y12 -  9.3cc (95+ octane)","offer_id":41082577289355,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y13 - 8.8cc (100+ octane)","offer_id":41082577322123,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"FX144 - (91+ octane)","offer_id":42924509855883,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true},{"title":"FX145 - (100+ octane)","offer_id":42924509888651,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true},{"title":"Athena144 9.8cc (91+ octane)","offer_id":42924509921419,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true},{"title":"Athena145 9cc (100+ octane)","offer_id":42924509954187,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true},{"title":"Athena144-22 9.8cc (91+ octane)","offer_id":46842808860811,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true},{"title":"Athena145-22 9cc (100+ octane)","offer_id":46842808893579,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_718cb78f-913f-484b-acbe-ea5a2b85ffa8.jpg?v=1669081467"},{"product_id":"yamaha-yz250-combustion-chambers","title":"Yamaha YZ250 combustion chambers","description":"\u003cp\u003eChamber selection:\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1999-2022\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003eY20 - 22cc Stock compression for the X model \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eY21 - 21.1cc Stock (91+ octane)\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eY22 - 20.1cc (100+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eY23 - 19.1cc (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1999-2022 big bore chambers:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYZ295 - 24.8cc 72mm 93 octane - Revised squish clearance .055\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYZ296 -  24cc  72mm 100 octane - Revised squish clearance .055\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1988-1998\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eY30 - stock\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eY31 - (95+ octane)\u003cbr\u003eY32 -  (100+ octane)\u003cbr\u003eY33 -  (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"Y20 - 22cc Stock compression for the X model","offer_id":41082589216907,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y21 - 21.1cc Stock (91+ octane)","offer_id":41082589249675,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y22 - 20.1cc (100+ octane)","offer_id":41082589282443,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y23 - 19.1cc (105+ octane)","offer_id":41082589315211,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"YZ295 - 72mm 93 octane - Revised squish clearance .055\"","offer_id":41082589347979,"sku":"","price":120.0,"currency_code":"USD","in_stock":true},{"title":"YZ296 - 72mm 100 octane - Revised squish clearance .055\"","offer_id":43078007488651,"sku":null,"price":120.0,"currency_code":"USD","in_stock":true},{"title":"Y30 - Stock","offer_id":41082589413515,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y31 -  (95+ octane)","offer_id":41082589446283,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y32 -  (100+ octane)","offer_id":41082589479051,"sku":"","price":80.0,"currency_code":"USD","in_stock":true},{"title":"Y33 - (105+ octane)","offer_id":41978963656843,"sku":"","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_1a79706d-fa14-4284-8144-438d7e481a9b.jpg?v=1669081454"},{"product_id":"honda-cr500-compression-release-chambers-1","title":"Honda CR500 Phathead compression release Combustion chambers","description":"\u003cp\u003eChamber selection:\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eH50  -  66.4cc Stock compression\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH51  -  64.4cc (95+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH52  -  62.5cc (100+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eH53  -  60.8cc (110+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"H50  -  66.4cc Stock compression","offer_id":41226398990475,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true},{"title":"H51  -  64.4cc (95+ octane)","offer_id":41226399023243,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true},{"title":"H52  -  62.5cc (100+ octane)","offer_id":41226399056011,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true},{"title":"H53  - 60.8cc (110+ octane)","offer_id":41226399088779,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_d402db6e-d198-42d4-b4ac-975b65d24559.jpg?v=1675881963"},{"product_id":"combustion-chamber-overbore-modification","title":"Combustion chamber overbore modification","description":"\u003cp style=\"text-align: center;\"\u003eIs your cylinder bore larger than stock? \u003c\/p\u003e\n\u003cp\u003e  No problem, we can modify the chamber to match.  Select below for 1mm or 2mm bore diameter increase or send a message if you require more.  \u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"1 mm bore increase","offer_id":42146398797963,"sku":"","price":35.0,"currency_code":"USD","in_stock":true},{"title":"2 mm bore increase","offer_id":42146398830731,"sku":"","price":35.0,"currency_code":"USD","in_stock":true}]},{"product_id":"ktm-husqvarna-gasgas-phathead-125cc-combustion-chamber-efi-2023","title":"KTM125SX HUSQVARNA GASGAS Phathead 125cc combustion chamber EFI 2023+","description":"\u003cp data-mce-fragment=\"1\"\u003eKTM HUSQVARNA GASGAS Phathead 125cc combustion chamber\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThrottle bottle injected model\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eChamber selection:\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e125EFI\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e  stock compression \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e 100+ octane high compression (Best with Athena GET map developed by HP Race Development) \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"125EFI stock compression","offer_id":42404692230283,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"100+ octane  high compression (HP Mapping suggested)","offer_id":42858947575947,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}]},{"product_id":"ktm-husqvarna-gasgas-phathead-250cc-combustion-chamber-efi-2023","title":"KTM250SX HUSQVARNA GASGAS Phathead 250cc combustion chamber EFI 2023-2024","description":"\u003cp\u003eKTM HUSQVARNA GASGAS Phathead 250cc combustion chamber\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThrottle bottle injected model\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eChamber selection:\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e250SX -\u003c\/span\u003e\u003cspan\u003e  Stock compression\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e251SX -  Mid compression 95+ octane\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e252SX -  High compression 100+ octane\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"250SX -  Stock compression","offer_id":42404699275403,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"251SX -   Mid compression 95+ octane","offer_id":43455449563275,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"252SX -   High compression 100+ octane","offer_id":43455449596043,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}]},{"product_id":"ktm-husqvarna-gasgas-phathead-300cc-combustion-chamber-efi-2023","title":"KTM300SX HUSQVARNA GASGAS Phathead 300cc combustion chamber EFI 2023-2025","description":"\u003cp\u003e*sample image\u003c\/p\u003e\n\u003cp\u003eKTM HUSQVARNA GASGAS Phathead 300cc combustion chamber\u003c\/p\u003e\n\u003cp\u003eThrottle bottle injected model\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eChamber selection:\u003c\/p\u003e\n\u003cp\u003e300SX  - 23.5cc Stock compression\u003c\/p\u003e\n\u003cp\u003e301SX -  23cc Mid compression 95+ octane reccomended\u003c\/p\u003e\n\u003cp\u003e302SX - 22.5cc High compression 100+ octane reccomended\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"300SX - 23.5cc stock compression","offer_id":42404702355595,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"301SX - 23cc Mid compression","offer_id":43455444222091,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"302SX - 22.5cc High compression","offer_id":43455444254859,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/files\/image_12d36102-120d-46fb-8649-482eaf2cb853.jpg?v=1716301268"},{"product_id":"ktm-husqvarna-gasgas-phathead-85cc-combustion-chambers-2018-2024","title":"KTM85 sx HUSQVARNA GASGAS Phathead 85cc combustion chambers 2018-2025","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eChamber Selection:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e12* or flat top chambers available upon special request\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e2018-2024\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX85 \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e Stock\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX86 (100+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX87 (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e2025+\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX85-10  Stock\u003cbr data-mce-fragment=\"1\"\u003eSX86-10 (100+ octane)\u003cbr data-mce-fragment=\"1\"\u003eSX87-10 (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"SX85 2018-2024","offer_id":42404835950731,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX86 (100+ octane) 2018-2024","offer_id":42404835983499,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX87 (105+ octane) 2018-2024","offer_id":42404836016267,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX85-10 2025+","offer_id":42896015360139,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX86-10 (100+ octane) 2025+","offer_id":42896015392907,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX87-10 (105+ octane) 2025+","offer_id":42896015425675,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/files\/image_42ff7d07-571c-4f0f-88e6-d9cff419b761.jpg?v=1716300598"},{"product_id":"ktm-husqvarna-gasgas-phathead-105cc-combustion-chambers-2018-2024","title":"KTM105 sx HUSQVARNA GASGAS Phathead 105cc combustion chambers 2018-2025","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eChamber Selection:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eStroker, 12* and flat top chambers available upon special request\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e2018-2024\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX105 \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e Stock\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX106 (100+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX107 (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e2025+\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX105-10  Stock\u003cbr data-mce-fragment=\"1\"\u003eSX106-10 (100+ octane)\u003cbr data-mce-fragment=\"1\"\u003eSX107-10 (105+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"SX105 2018-2024","offer_id":42404873437323,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX106 (100+ octane)  2018-2024","offer_id":42404873470091,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX107 (105+ octane)  2018-2024","offer_id":42404873502859,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX105-10 2025+","offer_id":42896009494667,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX106-10 (100+ octane)  2025+","offer_id":42896009527435,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX107-10 (105+ octane) 2025+","offer_id":42896009560203,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/files\/image_12d36102-120d-46fb-8649-482eaf2cb853.jpg?v=1716301268"},{"product_id":"ktm85-2004-2012-phathead-85cc-combustion-chambers","title":"KTM85 2004-2012 Phathead 85cc combustion chambers","description":"\u003cp\u003e\u003cspan\u003eChamber Selection:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eT01 6.4cc Stock\u003cbr\u003eT02 6.0cc 95+\u003cbr\u003eT03 5.6cc 100+\u003cbr\u003eT04 5.2cc 105+\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"T01 6.4cc Stock","offer_id":43513373294731,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"T02 6.0cc 95+","offer_id":43513373327499,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"T03 5.6cc 100+","offer_id":43513373360267,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"T04 5.2cc 105+","offer_id":43513378177163,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/files\/image_42ff7d07-571c-4f0f-88e6-d9cff419b761.jpg?v=1716300598"},{"product_id":"yz65-phathead-85cc-combustion-chambers","title":"Yamaha YZ65  Phathead 65cc combustion chambers","description":"\u003cp\u003e\u003cspan\u003eChamber Selection:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYZ65 5.2cc stock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e YZ66 5.0cc 95+ octane\u003c\/span\u003e\u003cbr\u003e YZ67 4.8cc 100+ octane\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"YZ65 5.2cc stock","offer_id":43559834255499,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"YZ66 5.0cc 95+ octane","offer_id":43559834288267,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"YZ67 4.8cc 100+ octane","offer_id":43559834321035,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/files\/image_42ff7d07-571c-4f0f-88e6-d9cff419b761.jpg?v=1716300598"},{"product_id":"2023-ktm-husqvarna-gasgas-phathead-150cc-combustion-chamber","title":"2023+ KTM150SX HUSQVARNA GASGAS Phathead 150 combustion chamber","description":"\u003cp\u003e\u003cspan\u003e2023+ KTM 150SX HUSQVARNA GASGAS Phathead 150 combustion chamber\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChamber Selection:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e150SXefi \u003c\/span\u003e\u003cspan\u003e Stock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e151SXefi (95+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e152SXefi (100+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"150SXefi  Stock","offer_id":43574824861835,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"151SXefi (95+ octane)","offer_id":43574824894603,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"153SXefi (100+ octane)","offer_id":43574824927371,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/products\/image_42ff7d07-571c-4f0f-88e6-d9cff419b761.jpg?v=1669055967"},{"product_id":"ktm65-phathead-65cc-combustion-chambers-2009-2026","title":"KTM65  Phathead 65cc combustion chambers 2009-2026 65sx","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eChamber Selection:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eCall for custom specs - fees vary\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX65 \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e Stock\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX66 (100+ octane)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSX67 (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"SX65 Stock","offer_id":45536365215883,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX66 (100+ octane)","offer_id":45536365248651,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX67 (105+ octane)","offer_id":45536365281419,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/files\/image_42ff7d07-571c-4f0f-88e6-d9cff419b761.jpg?v=1716300598"},{"product_id":"ktm50-phathead-50cc-combustion-chambers-2009-2026","title":"KTM50 Phathead 50cc combustion chambers 2009-2026 50sx","description":"\u003cp\u003e\u003cspan\u003eChamber Selection:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2009-2023\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSX50-09 \u003c\/span\u003e\u003cspan\u003e Stock\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSX51-09 (100+ octane)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSX52-09 (105+ octane)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2024+\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSX50  Stock\u003cbr\u003eSX51 (100+ octane)\u003cbr\u003eSX52 (105+ octane)\u003c\/span\u003e\u003c\/p\u003e","brand":"PhatheadRacing","offers":[{"title":"SX50-09 Stock 2009-2023","offer_id":45536409583755,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX51-09 Stock 2009-2023","offer_id":45536409616523,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX53-09 Stock 2009-2023","offer_id":45536409649291,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX50 Stock 2024+","offer_id":45536409682059,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX51 Stock 2024+","offer_id":45536409714827,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true},{"title":"SX52 Stock 2024+","offer_id":45536409747595,"sku":null,"price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/9702\/2859\/files\/image_12d36102-120d-46fb-8649-482eaf2cb853.jpg?v=1716301268"}],"url":"https:\/\/phatheadracing.com\/collections\/combustion-chambers.oembed?page=3","provider":"PhatheadRacing","version":"1.0","type":"link"}