124" Power Package Engine Performance Kits / '17-'23 107" M8 Motors

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Boost your Harley Davidson M-Eight from 107" to a formidable 124" with the S&S Cycles 124” Power Packages. This comprehensive big-bore bolt-on kit offers a seamless upgrade without the need for case machining, making it the ideal choice for riders looking to enhance their bike's performance significantly. Here’s a closer look at what this power package has to offer:

Key Features:

• Big Bore Kit: Transform your 107" engine to a powerful 124" engine with this bolt-on kit, featuring 4-1/4" bore cylinders and 11:1 forged pistons for superior performance.
• Oil Pump/Cam Plate: Precision machined from billet aluminum with a blue anodized finish, the oil pump and cam plate offer enhanced oil flow and durability. Removable passage plugs allow for easy servicing.
• Optimized Oil System: Independent scavenge sections for the flywheel cavity and cam chest, along with debris screens in the scavenge pickups and a magnet in the cam chest, help keep debris out of the oil pump.
• Adjustable Pressure Relief Valve: This feature allows for adjustments to the pressure relief valve with the unit installed, ensuring optimal engine performance.
• Pushrods and Tappets: The kit includes Quickee pushrods and S&S precision tappets, designed for reliable valve timing and performance.
• Tappet Cuffs: Featuring hard-anodized black coating and billet aluminum construction, these tappet cuffs enhance tappet stability in high-lift, high-rpm situations, ensuring durability and performance.
• Cams and Valve Springs: Equipped with S&S 550 cams designed for big bore applications and valve springs capable of working with cams up to .605" lift, this package is engineered for maximum performance.
• Comprehensive Installation Kit: All necessary gaskets, bearings, and hardware for a bolt-on installation are included, making the upgrade process straightforward.

Why Choose the 124” Power Package?

• Unmatched Performance: Elevate your Harley's power with a significant increase in displacement, offering enhanced torque and horsepower for a thrilling riding experience.
• Seamless Integration: Designed to fit your Harley without extensive modifications, this kit allows for an easy upgrade path to higher performance.
• Quality and Durability: Made in the U.S.A., S&S Cycles is renowned for its high-quality components and engineering, ensuring your engine not only gains power but also maintains reliability.

Installation Tips:

• Professional Installation Recommended: Given the significant changes this upgrade entails, professional installation is advised to ensure optimal performance and safety.
• Compatibility Check: While this kit is designed for easy integration, verifying compatibility with your specific Harley M-Eight model and setup is crucial.

Transform your Harley Davidson M-Eight with the S&S Cycles 124” Power Packages and experience unparalleled performance on the open road.