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
Cometic utlizes their in-house dynamometersand engine assembly rooms to ensure quality and reliability
Yamaha SR500/TT500/XT500 Head and Base Gasket Kit, 91mm Bore, .043" CFM-20 Cylinder Head Gasket
Cometic 76-81 Yamaha TT 91mm Bore Head & Base Gasket
Yamaha SR500/TT500/XT500 Head and Base Gasket Kit
Yama SR500/TT500/XT500 Head and Base Kit
Engine Cylinder Head Gasket Kit
No Additional Sealer Needed
90mm Top End Gasket Kit
Head and Base Gasket
Top End Gasket Kit
Head and Base Kit
