Honda CR125 2004 Phathead cylinder head kit Color:Red 5MV-24610-00-00

5MV-24610-00-00

Yamaha YZ125 Phathead cylinder head kit 1994-2000

SX51-09 (100+ octane)

YZ65 all years

With a one way valve built in to the breather vent designed to block the outflow of fuel when the tank is upside down(crash scenario)

Honda CR125 2004 Phathead cylinder head kit Color:Red 5MV-24610-00-00Honda CR125 Phathead cylinder head kit 2004 Chamber selection: K10 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 stronger and