Cometic Gasket C9141 EST Top End Gasket Kit - 3 13/16in. Bore with .030in. MLS Head Gasket exhaust-exhaust-valves 1977-1981 Yamaha XS650

1977-1981 Yamaha XS650

2017-2018 Kawasaki KAF620 Mule 4000

Low Profile Cuff

Hi-Flo stainless steel core and formed end caps with aircraft grade aluminum canister

windshields

Cometic Gasket C9141 EST Top End Gasket Kit - 3 13/16in. Bore with .030in. MLS Head Gasket exhaust-exhaust-valves 1977-1981 Yamaha XS650EST (Extreme Sealing Technology) gasket kits include embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber material. Head gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failure. Sets contain all the necessary gaskets, seals and O rings to rebuild the top end from the cylinder base upward. Vehicle Fitment: 1996