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S&S Cycle Power Pack for M8 Engines (Part #310-1398A) – Oil Cooled, 496 Cam, Wrinkle Black Finish
Regular price $3,497.95 USD
Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8 The S&S Cycle Power Pack for M8...
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Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/Highlight - M8
The S&S Cycle Power Pack for M8 engines (Part #310-1398A) provides a comprehensive upgrade for your Harley-Davidson M8 motorcycle, including models equipped with VVT. Designed to increase performance and reliability, this power pack features a Big Bore bolt-on kit that extends the engine capacity from 107 inches to 129 inches without the need for case machining. The kit is compatible with stock crankcases and maintains the original engine height, ensuring a seamless upgrade process. Built in the USA, this power pack retains the stock engine serial number and works with the stock and S&S roller rocker arms, making it an ideal choice for enthusiasts seeking enhanced performance without extensive modifications. The package includes high-quality components such as a 496 camshaft, S&S premium tappets, and valve springs designed to work with cams up to 0.605 inches of lift, offering a significant boost in power and efficiency.
The oil system is optimized with independent scavenge sections for the flywheel cavity and cam chest, debris screens in both pickups, and a magnet in the cam chest to prevent debris from entering the oil pump. Increased oil flow capacity on both feed and scavenge sides ensures proper lubrication during high-performance riding. Adjustable pressure relief valves allow fine-tuning of oil pressure with the engine installed, providing additional control and peace of mind.
This set also includes Quickee pushrods with pushrod tubes, S&S hard anodized black-coated billet aluminum tappet cuffs, and MLS multi-layered steel head gaskets for durability and reliability. The design accommodates both first-generation round port and second-generation oval port heads, making it versatile for various configurations. The wrinkle black finish with highlight accents adds a sleek, professional look to your engine, completing a high-performance upgrade that enhances both style and function.
Features:
- Updated profile compatible with M8 models including VVT engines
- Big Bore bolt-on kit increases engine size from 107" to 129" without case machining
- Includes S&S oil pump and cam plate for improved lubrication
- Removable passage plugs for easy servicing
- Independent scavenge sections for flywheel cavity and cam chest
- Debris screens in both scavenge pickups prevent contaminants
- Magnet in cam chest helps prevent debris entry into the oil pump
- Enhanced oil flow capacity on feed and scavenge sides
- Adjustable pressure relief valve for precise oil pressure control
- Quickee pushrods with pushrod tubes for reliable operation
- S&S premium tappets with high-quality construction
- Black coated, billet aluminum tappet cuffs for durability
- High performance conical single wire valve springs compatible with cams up to 0.605" lift
- MLS multi-layered steel head gasket for sealing integrity
- Includes 496 camshaft for increased performance
- Engine retains stock height and works with stock crankcases
- Compatible with stock and S&S roller rocker arms
- Original engine serial number retention for identification
