S&S CYCLE 124" Big Bore Cylinder Kit - Wrinkle Black for Twin Cam 910-0338

Upgrade your Twin Cam engine with the S&S CYCLE 124" Big Bore Cylinder Kit, designed for optimal performance and easy installation. Constructed from high-quality aluminum castings with cast-in iron liners, these cylinders provide durability and efficient heat dissipation. The kit includes precision-machined cylinders, pistons, rings, and all necessary gaskets for a comprehensive upgrade. It is suitable for use with stock cylinder heads, requiring no boring or splitting of cases, making it an accessible option for skilled technicians. The wrinkle black finish adds a sleek, professional appearance to your engine while maintaining excellent heat resistance and corrosion protection. Crafted in the USA, this kit ensures quality and reliability for your Harley-Davidson Twin Cam engine.

Features:

• Big bore kit increases engine displacement to 124" for enhanced power

• Constructed from premium aluminum castings with cast-in iron liners for durability

• Includes cylinders, pistons, rings, and gaskets (head, base, and exhaust) for complete installation

• Easy installation: no need to bore or split existing cases, just swap the cylinders

• Finished in wrinkle black for a professional look with heat and corrosion resistance