Description
The Primary Rebuild Kit is designed for Harley-Davidson Evolution Big Twin models from 1989-1993. This comprehensive gasket kit includes everything needed for a complete primary rebuild, including gaskets, seals, washers, and o-rings, ensuring a precise fit and reliable performance. Engineered to meet the demands of modern high-performance engines, this kit features advanced materials and innovative designs to handle increased horsepower, higher cylinder pressures, and extreme temperatures. It includes MLS (multi-layer steel) head gaskets, Viton-coated steel base gaskets, blue Viton valve stem seals, and AFM (aluminum foam material) components. These materials provide excellent sealing capabilities without requiring additional sealers. Cometic’s gasket kits are known for their quality and durability, offering a trusted solution for V-Twin engines. Whether you’re performing a full overhaul or routine maintenance, this kit ensures your engine operates at peak performance.






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