S&S Cycle 132" Power Package Big Bore Engine Kit for M8

Elevate your Harley-Davidson M8 engine's performance to an exhilarating new level with the S&S Cycle 132" Power Package Big Bore Engine Kit. This comprehensive bolt-in solution transforms your 114" or 117" M8 into a potent 132" powerhouse, delivering a significant boost in torque and horsepower without the need for case machining.

Description

Designed for motorcycle enthusiasts seeking ultimate power, the S&S Cycle 132" Power Package is a complete, high-performance engine upgrade for M8 models with a 4.5" stroke. This kit features precision-engineered 4.32" bore cylinders paired with robust 11.0:1 compression ratio forged pistons, ensuring maximum power output and durability. The bolt-in design means no complex case machining is required, simplifying installation for 114" and 117" M8 engines. At its core, this kit integrates an advanced S&S oil pump/cam plate, distinguished by its blue anodized finish. This system is engineered for superior lubrication and engine longevity, featuring independent scavenge sections for both the flywheel cavity and cam chest, along with debris screens in both pickups. A strategically placed magnet in the cam chest further prevents debris from entering the oil pump, while increased oil flow capacity on both the feed and scavenge sides maintains optimal oil pressure. An adjustable pressure relief valve offers tuning flexibility, even when installed. Performance is further enhanced by Quickee pushrods, S&S premium tappets, and hard-anodized, black coated billet aluminum tappet cuffs. The S&S 550 cams are specifically designed for big bore applications, complemented by high-performance conical single wire valve springs that accommodate cams up to 0.605" lift. This kit is proudly made in the USA and includes essential exhaust, cylinder base, and head gaskets for a complete installation.

Features & Highlights

• Massive 132" Displacement Upgrade: Transform your 114" or 117" M8 engine into a high-performance 132" beast with a bolt-in kit, requiring no case machining for straightforward installation.
• Optimized Power & Reliability: Features durable 4.32" bore cylinders and robust 11.0:1 compression ratio forged pistons, paired with S&S 550 cams specifically designed for big bore applications, ensuring maximum power and longevity.
• Advanced Oil Management System: Includes an S&S oil pump/cam plate with a blue anodized finish, independent scavenge sections, debris screens, and a cam chest magnet for superior lubrication, increased oil flow, and enhanced engine protection.
• Premium Valvetrain Components: Equipped with Quickee pushrods, S&S premium tappets, and hard-anodized, black coated billet aluminum tappet cuffs, plus high-performance conical single wire valve springs supporting up to 0.605" lift cams.
• Adjustable Pressure Relief Valve: Fine-tune your engine's oil pressure with an adjustable relief valve that can be serviced and adjusted even when the unit is installed in the engine.
• Complete Installation Package: Comes with essential exhaust, cylinder base, and head gaskets, facilitating a comprehensive and secure engine build right out of the box.
• Proudly Made in the USA: Experience superior quality and craftsmanship with components manufactured to the highest standards in the United States.

Important to Know

• Not for 121" CVO models.
• Not for any Trike models.

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