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Upgrade your Twin Cam engine with the S&S Cycle 124 Inch Big Bore Cylinder Kit, designed for optimal performance and easy installation. Crafted from high-quality aluminum castings with cast-in iron liners, this kit ensures durability and reliable power output. The kit includes precision-machined cylinders, pistons, rings, and comprehensive gaskets for the head, base, and exhaust, providing everything needed for a seamless upgrade. Installation is straightforward, requiring no boring or splitting of existing cases—simply swap the cylinders, making it suitable for skilled technicians familiar with engine assembly. Made in the USA, this kit is built to meet strict quality standards and deliver consistent performance. The wrinkle black finish adds an aggressive aesthetic appeal to your engine, combining style with functionality. Ideal for those seeking a significant increase in horsepower and torque without complex modifications, this big bore kit is a reliable choice for enhancing your motorcycle's capabilities.
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