Cometic C9133-REV HD Top End Gasket Kit Bore Head Gasket - 3 7/8 040 XL 1991-2003

The Cometic C9133-REV Revolution Complete Top End Gasket Kit is engineered specifically for Harley-Davidson Sportster XL models from 1991 to 2003. This comprehensive kit features Cometic's premium .040-inch thick Multi-Layer Steel (MLS) head gaskets designed for a 3 7/8-inch bore, providing exceptional sealing performance for both stock and modified engines.

Key Features:

• Complete top end gasket kit includes head gaskets, base gaskets, and all necessary seals
• .040-inch thick head gasket for optimal compression control
• 3 7/8-inch bore size fits Evolution Sportster engines
• Multi-Layer Steel construction with advanced coating technology
• Superior conformability to cylinder head and block surfaces
• Exceptional resistance to combustion pressure and temperature extremes
• Eliminates the need for retorquing after installation

Cometic's MLS gaskets feature multiple layers of stainless steel with a proprietary coating that provides micro-sealing capabilities while remaining durable enough to withstand extreme temperatures and pressures. This complete gasket kit ensures you have everything needed for a professional top end rebuild on your Harley-Davidson Sportster.