S&S Cycle 90-1004 Super Stock EVO Cylinder Heads - Natural electrical-lights-accessories-light-kits install can be performed with

install can be performed with engine still in frame

2017 Arctic Cat M 6000 SE ES 153

2003 Gas Gas SM 400 FSE

2021-2023 Kawasaki KAF620 Mule 4010 4x4 FE

2013-2014 Yamaha YFM700 Grizzly FI 4x4 Auto

S&S Cycle 90-1004 Super Stock EVO Cylinder Heads - Natural electrical-lights-accessories-light-kits install can be performed withS&S heads give great performance now, and work perfectly with additional upgrades later. Kits are fully assembled, and include stainless steel valves and high lift springs (up to . 640 lift). Available in natural and black powder coat finish. Intake manifold, pistons and gasket kits are sold separately; gasket kits contain head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker