Head Gaskets

The embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes

The embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes

Cometic Harley-Davidson 03-Up Twin Cam Std Bore T/E w/ New Hat Valve Seal,030H/G

Cometic Harley-Davidson 84-Up Xl/Xb 3 9/16in H&B .040inH/G & .020in Base

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

Cometic El Bruto 140inCu. H&B Kit Only 4.400in.056inH/G, 020in Base

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

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 91-03 Harley-Davidson 3 7/8 Complete Gasket Kit w/ .040 Head 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...