S&S 132" M8 Big Bore Power Pack Chrome Pushrod for Harley Milwaukee 8 114/117

Transform Your Ride with the Ultimate Power Upgrade

Unlock the full potential of your Milwaukee-Eight engine with this comprehensive big bore power pack. Designed to seamlessly transform 114" or 117" platforms into a high-performance 132" powerhouse, this kit provides a massive increase in displacement and torque without compromising the integrity of your motorcycle. Engineered for precision and durability, it allows you to retain your original engine serial numbers and stock engine height while delivering professional-grade performance.

Advanced Engineering & Components

Each kit features a performance-matched 550 cam and big bore cylinders that are meticulously paired with a high-flow oil pump and cam plate. The system includes an adjustable pressure relief valve that can be tuned while installed, alongside high-performance conical single-wire valve springs. To ensure long-term reliability, the cam chest is equipped with a magnet and debris screens in both scavenge pickups to prevent contaminants from circulating through the engine.

Features & Benefits

• Performance matched 550 cam for maximum power delivery
• Works seamlessly with stock crankcases
• Original engine serial numbers are retained
• Powder coat finish matches factory specifications for a clean look
• MLS (multi-layered steel) head gaskets for a superior seal
• Retains stock engine height to prevent clearance issues
• Independent scavenge sections for flywheel cavity and cam chest
• Removable passage plugs for easy servicing
• Includes custom Cam Cover Badge
• Made in the USA

Reliability Meets Performance

Whether your engine is oil-cooled or water-cooled, this power pack is designed to provide a perfect fit and finish. By utilizing independent scavenge sections and a high-efficiency oiling system, S&S ensures that your engine stays cool and lubricated even under heavy loads. Upgrade with confidence knowing you are installing the highest quality American-made components designed specifically for the Harley-Davidson Milwaukee-Eight platform.

2017-2023 Harley M8 Models w/ 114/117" Oil Cooled Motor