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Enhance your Twin Cam 88B engine with the S&S Cycle 124" Hot Set Up® Big Bore and Stroker Kit, designed for optimal performance and durability. This comprehensive upgrade converts your stock engine to a 124-inch displacement using the existing crankcases, providing significant power gains. The kit includes high-quality S&S Super Stock® 91 cc cylinder heads, which are specially machined to fit a stock-length manifold, allowing compatibility with your stock EFI system after recalibration. The 4.125-inch big bore cylinders combined with forged big bore flattop pistons deliver reliable compression and performance. The S&S 4.625-inch stroke flywheel assembly ensures smooth power delivery, complemented by the S&S 640 gear drive Easy Start cams, which provide excellent torque and throttle response. Additionally, the kit features S&S premium tappets, adjustable pushrods, roller rocker arms, and all necessary hardware, gaskets, and instructions for a complete installation. Although the engine height increases by approximately 0.960 inches, there are no frame clearance issues, and a stock EFI throttle body will fit seamlessly, thanks to the specially machined manifold mounting surfaces. Please note that the EFI system must be recalibrated for optimal performance, and fuel or ignition systems are not included. All engine clearances and assembly specifications should be checked during installation to ensure proper fit and function. Made in the USA, this kit offers a reliable and high-performance upgrade for Twin Cam owners seeking significant power enhancements without extensive frame modifications.
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