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PhatheadRacing

Honda CR125 Phathead combustion chamber

Chamber
Add an O-ring kit
Regular price $60.00 USD
Regular price Sale price $60.00 USD
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Honda CR125 Phathead cylinder head kit 1992-1999

Chamber selection:

H13  - 6.7cc stock compression

H14  - 5.8cc high compression

 

Honda CR125 Phathead cylinder head kit 2000-2003

Chamber selection:

H11 - 8.2cc Stock compression

H12 - 7.6cc (95+ octane)

H13  - 6.7cc (100+ octane)

H14  - 5.8cc (105+ octane)

 

Honda CR125 Phathead cylinder head kit 2004=2007

Chamber selection:

K10 Stock 

K11 - 9.2cc  (95+ octane)
K12 -  8.5cc (100+ octane)