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 your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.
All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
Yamaha 2000 WR400F, YZ400F Top End Gasket Kit, 92mm Bore, .027" MLS Cylinder Head Gasket, Without Oil Seals
Cometic utlizes their in-house dynamometersand engine assembly rooms to ensure quality and reliability
Cometic 98-99 Yamaha YZ400F 92MM Bore Top End Kit
Yamaha 2000 WR400F, YZ400F Top End Gasket Kit
Yama 00 WR400F, YZ400F Top End Kit
No Additional Sealer Needed
92mm Top End Gasket Kit
Top End Gasket Kit
Engine Top End Kit
Top End Kit
