Cometic Hd 3 13/16S Big Bore Top End Kit For Shovelheads66-84. - C9475

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...

Cometic Hd '92-98 3 13/16'S Big Bore Top End Rebuild Kit

Cometic Hd '84-'91 3 3/4in Big Bore Top End Rebuild Kit

Cometic Hd 3 3/4in Big Bore Top End Kit For '84-'91 B/Twins