Cometic Gasket · New
Cometic Harley-Davidson 1999-17 Twin Cam Lifter Cover Gasket,.031inFiber 10Pk
MPN C9578 · Store SKU cgsC9578
Supplier stock checked 11/7/2026, 10:14:21 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
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. Fully cured nitrile butadiene rubber binder for maximum fluid resistance Lifter Block, Cover, O.E.M. 18635-99, 10 pk. .031in. Fiber Lifter Cover Gasket; 10 Pack Lifter Cover Gasket
Manufacturer fitment & guides
Check C9578 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
