Cometic C9656 Top End Gasket Kit for Harley-Davidson Evolution - 1200 1988-1990 4-Speed

The Cometic C9656 is a complete top end gasket kit designed specifically for Harley-Davidson 1200cc Evolution engines in 1988-1990 4-speed models. This comprehensive kit includes all necessary gaskets and seals for a complete top end rebuild, featuring cork rocker cover gaskets for original-style sealing.

Key Features:

• Multi-Layer Steel (MLS) cylinder head gaskets for superior compression sealing and heat resistance
• Steel Viton-coated cylinder base gaskets engineered for harsh sealing environments
• Cork rocker box cover gaskets for authentic fitment on 4-speed Evolution models
• Blue Viton valve stem seals for long-lasting oil control
• AFM (Aluminum Foam Material) race-style exhaust gaskets that won't fray
• All necessary O-rings and seals for pushrod tubes and tappet guides

Cometic EST (Extreme Sealing Technology) gasket kits utilize application-specific materials engineered for maximum durability and leak-free performance. Each gasket is manufactured in the USA from premium materials designed to withstand the demanding conditions of V-Twin engines. Perfect for engine rebuilds, cylinder head service, or performance upgrades on 1988-1990 HD 1200 Evolution Big Twin engines.