PhatheadRacing
KTM105 2018 2023 Phathead cylinder head kit GasGas MC105 Husqvarna TC105 supermini
KTM105 2018 2023 Phathead cylinder head kit GasGas MC105 Husqvarna TC105 supermini
Chamber selection:
SX105 10.1cc stock
SX106 9.9cc 100+ octane
SX107 9.6cc 105+ octane
Phathead Kits include a head shell with one combustion chamber, two sets of o-rings, cylinder head nuts, copper washers, some stickers for your bike and tool box and installation instructions..
Phathead cylinder heads are made of 6061 T6 billet aluminum. The material is stronger and transfers heat better than cast aluminum. The two piece design allows an increase in coolant flow as well as surface area which improves cooling for better consistency and performance.