Description
A complete gasket kit failure can leave your engine leaking, contaminated, or completely sidelined. The COMETIC C10091 Big Twin Engine Gasket Kit uses purpose-engineered materials—from Multi-Layer Steel head gaskets to Viton-coated base gaskets—ensuring reliable sealing across every critical junction. Whether you’re rebuilding for the street or the strip, this U.S.-made kit delivers the precision fit and durability that serious riders demand.
- Multi-Layer Steel head gaskets
- Steel Viton®-coated base gaskets
- Blue Viton valve stem seals
- AFM race-style exhaust gaskets
- Complete motor gasket kit
- Primary cover gaskets included
- Derby cover gaskets included
- Inspection cover gaskets included
- Made in the U.S.A.
- Big Twin application
- MPN: C10091









