Honda CR125 1988-1991 Phathead cylinder head kit Color:Black Use the Athena Big Bore

Use the Athena Big Bore Gasket

Kawasaki KX85 KX80 Phathead cylinder head kit 1991-2026

CR500 models 1999 and older

3cc (95+ octane)

Honda CR125 1988-1991 Phathead cylinder head kit Color:Black Use the Athena Big BoreHonda 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