Cometic Gasket

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...

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...

All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns

All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns

Withstands different combinations of cylinder head and manifold materials

Cometic 84-91 2 13/16 Big Bore Top End Rebuild Kit w/ .030 Head Gasket

All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns

All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns

All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns

Cometic 84-91 Harley-Davidson 3 5/8 Big Twin Top End Gasket Kit w/ .030 Head Gasket

Cometic 84-91 Harley-Davidson 3 5/8 Big Twin Top End Gasket Kit w/ .060 Head Gasket

All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns