Kawasaki KX500 Phathead cylinder head kit 1988-2004 Color:Gold the inserts are cut for

the inserts are cut for the 85 bore which is

1cc (100+ octane)

ECU remap required for best performance - message or call for details

H01    8

Kawasaki KX500 Phathead cylinder head kit 1988-2004 Color:Gold the inserts are cut forKawasaki 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