S&S Cycle M8 Power Package - 4.32" Bore - 132ci - 310-1237D

Elevate your Milwaukee-Eight VVT engine's performance with the S&S Cycle 132" Big Bore Power Package. This bolt-in kit transforms your 114" or 117" M8 engine into a formidable 132" powerhouse, delivering significant gains in horsepower and torque without requiring any case machining.

Description

Designed for motorcycle enthusiasts seeking a significant performance upgrade, the S&S Cycle 132" Big Bore Power Package offers a comprehensive solution for your M8 VVT engine. This meticulously engineered kit features 4.32" bore cylinders and high-strength 11.0:1 compression ratio forged pistons, ensuring both increased displacement and robust durability. A core component of this package is the S&S oil pump/cam plate, distinguished by its striking blue anodized finish. This advanced oil system incorporates independent scavenge sections for the flywheel cavity and cam chest, along with debris screens in both scavenge pickups and a magnet in the cam chest to prevent contaminants from reaching the pump. With increased oil flow capacity on both the feed and scavenge sides, and an adjustable pressure relief valve, your engine's lubrication is optimized for extreme conditions.

Further enhancing performance and reliability, the kit includes S&S Quickee pushrods, premium tappets, and hard-anodized, black coated billet aluminum tappet cuffs. The included S&S 550 cams are specifically designed to maximize the potential of big bore applications, complemented by S&S valve springs engineered for cams with up to 0.605" lift. These high-performance conical single wire springs ensure precise valve control and longevity. Proudly Made in the USA, this S&S big bore kit is built to the highest standards, ensuring a powerful and dependable upgrade for your VVT model.

Features & Highlights

• Effortless Bolt-In Upgrade: Boost your 114"/117" M8 VVT engine to a massive 132" displacement without any complicated case machining, simplifying installation and saving time.
• High-Performance Piston & Cylinder Kit: Features 4.32" bore cylinders paired with durable 11.0:1 compression ratio forged pistons for superior power and longevity.
• Advanced Oil System Reliability: Includes an S&S oil pump/cam plate with a striking blue anodized finish, offering independent scavenge sections, debris screens, a cam chest magnet, and increased oil flow capacity for optimal lubrication and engine protection.
• Precision Valve Train Components: Equipped with S&S Quickee pushrods, premium tappets, and robust hard-anodized black coated billet aluminum tappet cuffs for reliable and precise valve actuation.
• Optimized Cam & Valve Spring Performance: Integrates S&S 550 cams, specifically engineered for big bore applications, and high-performance conical single wire valve springs capable of handling up to 0.605" lift for maximum power delivery.
• Proudly Made in the USA: Ensures top-tier quality, engineering excellence, and manufacturing standards you can trust for your motorcycle.

Technical Specifications

• Engine Displacement Increase: 114"/117" M8 to 132"
• Bore: 4.32"
• Stroke: 4.5"
• Compression Ratio: 11.0:1
• Piston Type: Forged
• Cam Lift Compatibility: Up to 0.605"
• Oil Pump/Cam Plate Finish: Blue Anodized
• Tappet Cuffs Material/Finish: Billet Aluminum, Hard-anodized Black Coated
• Manufacturing Origin: Made in the USA
• EAN: 09040218

Important to Know

• Will fit VVT models.
• Not for any Trike models.
• Intake/rocker cover gaskets not included.