Cometic Gasket C7136 Top End Gasket Kit - O-Ring drive-primary-drive-derby-covers 2009-2014 Yamaha YZ250F

2009-2014 Yamaha YZ250F

23% to 26% more mileage

Ideal for most modern superbikes

2011-2015 Harley Davidson FLSTN Softail Deluxe

Bolt-on big bore kits mean easy installation with no machining and no rebalancing

Cometic Gasket C7136 Top End Gasket Kit - O-Ring drive-primary-drive-derby-covers 2009-2014 Yamaha YZ250FHead gaskets are either copper or O ring type. All others are graphite. All top end gasket kits include everything needed to rebuild your top end. Cometic Gasket offers the latest in gasket technology. Gasket materials, design and manufacturing processes are constantly improving to match the high level of performance for todays powersports engines. When purchasing a Cometic Top End gasket kit, you can rest assured that every component will be the best