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 2000-2008 YFM400, 2003+ YFM450 Grizzly/Kodiak; Top End Gasket Kit, 85.5mm Bore, .027" MLS Cylinder Head Gasket
Cometic utlizes their in-house dynamometersand engine assembly rooms to ensure quality and reliability
Yamaha 2000-2008 YFM400, 2003+ YFM450 Grizzly/Kodiak; Top End Gasket Kit
Cometic 00-07 Yamaha YFM400 Kodiak 85.5mm Bore Top End Gasket Kit
Yama 00-08 YFM400, 03+ YFM450 Top Kit
High Performance Gasket Kits
85.5mm Top End Gasket Kit
Top End Gasket Kit
Engine Top End Kit