Cometic Gasket · New
Cometic 1999 Harley-Davidson FLT/FLH/FXST Twin Cam Trans Rebuilt Kit
MPN C9639 · Store SKU cgsC9639
Supplier stock checked 11/7/2026, 9:17:37 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. Keep your transmission fluid and gear lube where it belongs with our Aluminum Foamet Material (AFM) Gaskets. AFM consists of an aluminum core and features a foam rubber coating bonded to both sides. Ideal for sealing less than perfect surfaces and can be installed without the use of additional sealers! Transmission Rebuild Gasket Kit Transmission Gasket Rebuild Kit Trans Gasket Kit
Manufacturer fitment & guides
Check C9639 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
