Cylinder Works CH2001-K02 Cylinder Head Kit electrical-batteries-components Multiple snap button system to

Multiple snap button system to integrate the Alpinestars Level 2

2018-2019 Arctic Cat ZR 8000 Sno Pro ES 137

2016-2023 Yamaha WR450F

MLS - multi layered steel

New improved compound for durability

Cylinder Works CH2001-K02 Cylinder Head Kit electrical-batteries-components Multiple snap button system toNew replacement cylinder head. Include cam caps and cam cap bolts. Include C630 (nickel aluminum bronze) valve seats and guides. Competition valve job. Shortened valve guides to accept higher lift cams. Unshrouded combustion chamber. Blended bowl seat to port. Stock shaped ports. Do not include valves, springs or lifters. Made in the U. S. A.. Vehicle Fitment: 2016 2024 Yamaha YZ250X