Cometic C9970-CR045 EST Top End Gasket Kit for Harley-Davidson Sportster - 1200 2004-2006

The Cometic C9970-CR045 EST Top End Gasket Kit is engineered specifically for 2004-2006 Harley-Davidson Sportster 1200 Evolution engines with a 3.500-inch bore. This comprehensive gasket set provides everything needed to rebuild your top end from the cylinder base upward, featuring Cometic's advanced Extreme Sealing Technology (EST) for superior leak-free performance.

Key Features:

• Multi-Layer Steel (MLS) cylinder head gaskets with .045-inch thickness for optimal sealing
• EST gaskets utilize premium materials including embossed stainless steel with high-temperature Viton coating
• MLS head gaskets feature three layers with stainless steel core sandwiched between two SPS outer layers
• Proprietary coatings and embossments create micro-seals that eliminate hot spots and gasket failure
• Includes all necessary gaskets, seals, and O-rings for complete top end rebuild
• Reinforced gasket compounds constructed for sealing irregular surfaces
• Designed to dissipate heat evenly across gasket surface

Cometic's EST technology combines different gasket materials engineered specifically for each sealing application, ensuring critical surfaces like rocker boxes and cylinder bases remain leak-free. The MLS head gaskets provide increased strength and rebound characteristics while resisting corrosion, making them ideal for both stock and high-performance applications.