124" Hot Set Up® Engine Performance Kits / '99-'17 Twin Cams

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Transform your Twin Cam Harley Davidson into a formidable 124" powerhouse with the S&S Cycles 124" Hot Set Up® Engine Performance Kit. This comprehensive kit is designed for Twin Cam owners looking to significantly upgrade their stock engine using the original crankcases, all without the need for crankcase modifications. With a black powder coat finish, this performance kit not only boosts your engine's performance but also enhances its appearance. Here’s what the kit includes and why it’s the ultimate upgrade:

Key Features:

• Comprehensive Upgrade: Includes S&S heads 91cc, 4.125” bore cylinders, and forged 10.8:1 flat-top pistons, ensuring a significant increase in displacement and performance.
• Enhanced Flywheel Assembly: Comes with an S&S 4.625” stroke flywheel assembly, providing a solid foundation for the increased power output.
• High-Performance Cams: Features S&S .640” lift gear drive Easy Start cams, optimizing your engine's timing and efficiency for the added displacement.
• Quality Components: Includes S&S Quickee Pushrods, S&S Premium Hydraulic tappets, roller rocker arms, and all necessary hardware, gaskets, and instructions for installation.
• Oil Pump/Cam Plate: Equipped with a precision-machined TC3 cam support plate and TC3 oil pump to ensure consistent oil pressure and engine longevity.
• Fuel System Flexibility: While the fuel system is not included, this kit is compatible with stock or aftermarket intake systems, offering flexibility in how you complete your upgrade.

Why Upgrade with the 124" Hot Set Up® Kit?

• Massive Performance Boost: Elevate your Harley's power dramatically, turning your stock engine into a 124" beast with improved horsepower and torque.
• Sleek Aesthetics: The black powder coat finish not only provides durability but also adds a sleek, aggressive look to your engine.
• Reliability: S&S Cycles is known for its high-quality, durable components, ensuring that your upgraded engine is both powerful and reliable.

Installation Considerations:

• Crankcase Modifications Required: While the kit is designed for easy integration, be prepared for crankcase modifications to accommodate the new components.
• Professional Installation Recommended: Due to the comprehensive nature of this upgrade, professional installation is advised to ensure optimal performance and safety.
• Compatibility Check: Ensure this kit is suitable for your Harley model and year, considering the need for crankcase modifications.

The S&S Cycles 124" Hot Set Up® Engine Performance Kit is the ultimate solution for Twin Cam Harley Davidson owners seeking a significant performance upgrade without compromising on style or reliability. This project does require crankcase modifications and is the responsibility of the assembler to check all clearances and assembly specifications.

• '07-'17 Twin Cam 96/​103/​110A and 06 Dyna kit not for use on twin cooled motors.  Also, all '07-'17 Kits not recommended for compression ratios higher than 10:1 for Tri Glide® or other three wheel models (including conversions) due to extra loads caused by the lugging nature of these bikes. Detonation and subsequent engine damage may result.