Cometic C9534 Top End Gasket Kit Big Bore Harley Evolution - 3.75 for 1200

The Cometic C9534 is a premium top end gasket kit specifically engineered for big bore applications on 1988-1990 Harley-Davidson 1200 Evolution engines with a 3.75-inch (3 3/4") bore. This comprehensive kit provides all the essential gaskets and seals needed for a complete top end rebuild or big bore conversion.

Key Features:

• Multi-Layer Steel (MLS) head gaskets for superior sealing and durability
• Designed for 3.75" big bore cylinder applications
• Includes cylinder head gaskets, base gaskets, rocker box gaskets, and valve seals
• High-temperature resistant materials engineered for performance applications
• Viton valve stem seals for excellent oil control
• Aramid fiber and coated steel gasket materials for maximum reliability

Cometic Gasket utilizes advanced materials and manufacturing processes to deliver gaskets that withstand the high heat and pressure demands of Evolution Big Twin engines. The MLS head gaskets feature multiple layers of embossed stainless steel with proprietary coatings, providing a dynamic seal that adapts to engine flexing and thermal expansion. This kit is ideal for riders performing top end service, cylinder head work, or installing big bore cylinders on their 1988-1990 1200cc Evolution motor.