S&S Cycle Power Pack VVT Engine Performance Kit 129" for M8

Transform your Harley-Davidson M8 engine into a high-performance powerhouse with the S&S Cycle 129" Power Pack VVT Engine Performance Kit. This comprehensive bolt-on solution is specifically designed for M8 models, including those equipped with VVT, delivering a substantial increase in displacement and raw power without requiring complex case machining.

Description

Engineered for motorcycle enthusiasts demanding superior performance, the S&S Cycle 129" Power Pack VVT Engine Performance Kit elevates your 107" M8 engine to an impressive 129" displacement. This isn't just a simple upgrade; it's a complete M8 big bore kit meticulously crafted to enhance every aspect of your engine's operation. The kit features a state-of-the-art S&S oil pump and cam plate, designed with independent scavenge sections for both the flywheel cavity and cam chest, ensuring optimal oil circulation and debris management. Removable passage plugs facilitate easy servicing, while an integrated magnet in the cam chest further prevents debris from compromising the oil pump. Enjoy increased oil flow capacity on both the feed and scavenge sides, complemented by an adjustable pressure relief valve that can be fine-tuned even when installed.

This S&S Cycle engine upgrade includes high-quality Quickee pushrods with tubes, S&S premium tappets, and durable billet aluminum tappet cuffs that are hard anodized and black coated for longevity. The S&S valve springs, featuring a high-performance conical single wire design, are compatible with cams up to 0.605" lift, ensuring robust valve train stability. A multi-layered steel (MLS) head gasket provides a superior seal, while the included 496 camshaft optimizes power delivery. Proudly Made in the USA, this kit retains stock engine height, works seamlessly with stock crankcases and both stock and S&S roller rocker arms, and ensures your original engine serial numbers are preserved. It's also compatible with first and second-generation stock valve springs, offering versatile Harley-Davidson M8 performance enhancement.

Features & Highlights

• Significant Displacement Boost: Transform your 107" M8 engine into a powerful 129" beast with a direct bolt-on big bore kit, requiring no case machining for a straightforward installation, specifically updated for M8 models including VVT.
• Optimized Oil System: Features an advanced S&S oil pump and cam plate with independent scavenge sections for the flywheel cavity and cam chest, increased oil flow, and removable passage plugs for easy maintenance.
• Enhanced Debris Management: Equipped with debris screens in both scavenge pickups and a magnet in the cam chest, actively preventing contaminants from entering the oil pump and ensuring engine longevity.
• Precision Valve Train Components: Includes S&S Quickee pushrods with tubes, premium tappets, and durable hard anodized, black coated billet aluminum tappet cuffs, ensuring reliable and precise valve operation.
• High-Performance Valve Springs: S&S conical single wire valve springs are designed for high performance, supporting cams up to 0.605" lift, and are compatible with stock valve springs (both generations).
• Complete Gasket & Cam Kit: Comes with a robust MLS (multi-layered steel) head gasket for a superior seal and an S&S 496 camshaft, providing optimal power and torque characteristics.
• Seamless Integration & USA Quality: Retains stock engine height, works with stock crankcases and roller rocker arms, preserves original engine serial numbers, and is proudly Made in the USA.

Technical Specifications

• Brand: S&S Cycle
• Product Type: Engine Performance Kit
• Engine Compatibility: Harley-Davidson M8 models (107" to 129" conversion), including VVT models
• Camshaft: S&S 496
• Max Cam Lift Compatibility: 0.605"
• Head Gasket Type: MLS (Multi-Layered Steel)
• Tappet Cuffs: Billet aluminum, hard anodized, black coated
• Oil Pump/Cam Plate: S&S design with independent scavenge sections and adjustable pressure relief valve
• Pushrods: S&S Quickee with tubes
• Tappets: S&S Premium
• Valve Springs: S&S High performance conical single wire design
• Machining Required: None (bolt-on installation)
• Origin: Made in the USA
• EAN: 09040226