S&s Cycle Power Package Engine Kit for 114"/117" M8

Transform your Milwaukee-Eight engine with the S&s Cycle 132" Power Package Engine Kit, designed to deliver a significant boost in displacement and performance. This comprehensive bolt-on solution allows you to upgrade your 114" or 117" M8 engine to a powerful 132" without the need for complex and costly case machining.

Description

Unleash the full potential of your Harley-Davidson Milwaukee-Eight with the S&s Cycle 132" Power Package. This meticulously engineered M8 big bore kit dramatically increases your engine's capacity, providing an impressive 132" displacement and an 11.0:1 compression ratio for exhilarating power and torque. At its core are robust 4.320" big bore cylinders paired with forged pistons, ensuring exceptional durability and performance under demanding conditions. The kit includes a high-performance S&s Cycle oil pump and cam plate, featuring independent scavenge sections for both the flywheel cavity and cam chest, along with debris screens and a magnet to maintain optimal oil cleanliness and flow. The adjustable pressure relief valve allows for fine-tuning even after installation, optimizing oil pressure for your specific setup. Further enhancing reliability and ease of maintenance are the Quickee pushrods with pushrod tubes, S&s Cycle premium tappets, and billet aluminum tappet cuffs. The included S&s Cycle HPT496 cam is specifically designed for big bore applications, complemented by high-performance conical single wire valve springs capable of handling cams up to 0.605" lift. With an MLS head gasket and the iconic 132 cam cover badge, this American-made engine performance kit offers a seamless upgrade that retains stock engine height, works with stock crankcases and roller rocker arms, and preserves your original engine serial numbers, making it a truly superior Harley-Davidson Milwaukee-Eight upgrade.

Features & Highlights

• Effortless Big Bore Upgrade: Convert your 114" or 117" M8 engine to 132" displacement with a 4.320" bore and 11.0:1 compression ratio, all without requiring any case machining for a straightforward bolt-on installation.
• Optimized Oil System: Features an S&s Cycle oil pump/cam plate with independent scavenge sections for the flywheel and cam chest, debris screens, and a cam chest magnet to ensure superior oil flow, cleanliness, and lubrication.
• Enhanced Valvetrain Components: Includes S&s Cycle Quickee pushrods, premium tappets, billet aluminum hard anodized tappet cuffs, and high-performance conical single wire valve springs designed for cams up to 0.605" lift.
• Performance-Tuned Cam: Comes with the S&s Cycle HPT496 cam, specifically engineered to maximize power and torque output in big bore applications, ensuring a responsive and powerful ride.
• Complete Kit for Reliability: Supplied with an MLS (multi-layered steel) head gasket for a durable seal and a distinctive 132 cam cover badge, signifying your engine's upgraded status.
• Seamless Compatibility: Designed to retain stock engine height, work with stock crankcases, and be compatible with both stock and S&s Cycle roller rocker arms, as well as first and second-generation stock valve springs.
• Proudly Made in the USA: Guarantees exceptional quality and craftsmanship, ensuring a reliable and high-performing upgrade for your motorcycle.

Technical Specifications

• Type: Engine
• Model: Performance Kit
• Style: HPT496 Series
• Units: Kit
• Bore Size: 4.320"
• Displacement: 132"
• Compression Ratio: 11.0:1
• Cam Drive Type: Gear
• Cooling System: Oil Cooled
• Color/Finish: Black, Non-Highlighted Fins
• Features: Chrome Pushrod Tubes
• Vendor Part Number: 310-1392