Honda CR250 1986-1991 Phathead cylinder head kit Color:Blue 2cc stock compression

2cc stock compression

KTM300SX KTM300XC KTM300 2008-2016 Phathead cylinder head kit

1999-2022 big bore chambers:

Keep a few in your toolbox and a friend in need will thank you

6061 T6 billet aluminum body

Honda CR250 1986-1991 Phathead cylinder head kit Color:Blue 2cc stock compressionHonda CR250 Phathead cylinder head kit 1986 1991 Chamber selection: H30 21. 8cc Stock H31 20. 6cc 95+ octane H32 19. 7cc 100+ octane H33 18. 5cc 105+ octane H34 17. 4cc 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