Kawasaki KX125 Phathead cylinder head kit 2003-2007 husky 4cc (95+ octane)HN52 - 62

4cc (95+ octane)HN52  -  62

6cc 100+T04 5

Works on all tapered-thread

TTR50 2006-present

4cc (100+ octane)W24 - 18

Kawasaki KX125 Phathead cylinder head kit 2003-2007 husky 4cc (95+ octane)HN52 - 62Kawasaki KX125 Phathead cylinder head kit 2003 2007 Chamber selection: Y11 10. 0cc Stock Y12 9. 3cc (95+ octane) Y13 8. 8cc (100+ 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