Cometic 09-20 Yamaha YFZ450R Bottom End Gasket Kit - C3419BE

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing...

Cometic 09-14 Yamaha YFZ450R EFI Clutch & Mag Gasket Kit

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing...

Cometic Yamaha Bottom End Kit w/Seals

QuadBoss® Valve Cover Gaskets are made from superior materials, designed to match O.E.M. valve cover specifications preventing leaks and lasting longer, compared to the stock covers. High...