Cometic Gasket · New
Cometic Harley-Davidson Panhead Base Gaskets 1948-65 Std. Bore .020in Rc inEmbossedin
MPN C9987 · Store SKU cgsC9987
Supplier stock checked 11/7/2026, 4:21:57 PM 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. Base Gasket, Front and Rear, Std Bore .020 SLS, O.E.M. 16777-48, Qty. 2 .020in. Rubber Coated Steel Cylinder Base Gasket; Pair For todays hi-horsepower bikes Cyl Base Gaskets
Manufacturer fitment & guides
Check C9987 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
