Kawasaki KX500 Phathead cylinder head kit 1988-2004 Color:Bronze Honda CR125 Phathead cylinder head

Honda CR125 Phathead cylinder head kit 2004

52mm big bore chamber Wiseco 766M05200  and LukesRacing 105cc compatible(requires head gasket) $100

KTM105 2025 Phathead cylinder head kit GasGas MC105 Husqvarna TC105 supermini

103cc 52/53mm big bore chamber 100+ octane - for use with big bore piston

CX52 (105+ octane)

Kawasaki KX500 Phathead cylinder head kit 1988-2004 Color:Bronze Honda CR125 Phathead cylinder headKawasaki KX500 Phathead cylinder head kit 1988 2004 Chamber selection: K51 42cc Stock compression K52 40. 6cc (100+ octane) K53 38. 2cc (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