Kawasaki KX500 Phathead cylinder head kit 1988-2004 Color:Bronze 1999-2022 big bore chambers:

1999-2022 big bore chambers:

Search compression release button for replacement Kibblewhite button

**xs size is standard thickness fabric

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

Kawasaki KX500 Phathead cylinder head kit 1988-2004 Color:Bronze 1999-2022 big bore chambers:Kawasaki 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