Cometic Gasket · New
Cometic 04-06 Harley-Davidson 1200 Sportster Top End Gasket Kit w/ .030 Head Gasket
MPN C9971 · Store SKU cgsC9971
Supplier stock checked 11/7/2026, 6:14:02 AM UTC. Adding a part does not reserve it.
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Product details
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. Top End EST Gasket Kit; 3.500in. Bore; .030in. Head Gasket Requires less clamp load Top End Gasket Kit Head Gasket
Manufacturer fitment & guides
Check C9971 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y