Honda CR125 1988-1991 Phathead cylinder head kit Color:Black CR500 models 1999 and older

CR500 models 1999 and older

Y32 -  (100+ octane)

Honda CR250 Phathead cylinder head kit 1997-2001

Compression release replacement brass fitting for Phathead

3cc (95+ octane)

Honda CR125 1988-1991 Phathead cylinder head kit Color:Black CR500 models 1999 and olderHonda CR125 Phathead cylinder head kit 1988 1991 Chamber selection: K10 10cc Stock K11 9. 2cc (95+ octane) K12 8. 5cc (100+ octane) K13 8. 2cc (105+ octane) K14 7. 6cc (110+ 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