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S&S Cycle Power Pack for M8 Engines - Oil Cooled 496 Gear Drive - Wrinkle Black Finish (Part #310-1397A)
Regular price $3,497.95 USD
Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/o Highlight - M8 The S&S Cycle Power Pack for...
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Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w/o Highlight - M8
The S&S Cycle Power Pack for M8 models offers a comprehensive upgrade kit designed to enhance performance and reliability. Engineered specifically for M8 engines including VVT variants, this kit features a big bore bolt-on upgrade that increases displacement from 107 inches to 129 inches without requiring case machining. This ensures a hassle-free installation process while delivering significant power improvements. The package includes an S&S oil pump and cam plate, with passage plugs that are removable for convenient servicing. Independent scavenge sections for the flywheel cavity and cam chest, along with debris screens in both pickups, help maintain oil cleanliness and engine longevity. A magnet in the cam chest further minimizes debris entry into the oil pump, protecting critical engine components. The increased oil flow capacity on both feed and scavenge sides ensures optimal lubrication under demanding conditions. An adjustable pressure relief valve allows fine-tuning of oil pressure without removing the unit from the engine, providing flexibility for different riding styles and conditions. Quickee pushrods with pushrod tubes, premium S&S tappets, and hard anodized, black-coated billet aluminum tappet cuffs contribute to durability and performance. The kit also includes S&S valve springs compatible with cams up to 0.605 inches lift, featuring a high-performance conical single wire spring design for reliable valve operation. A multi-layered steel (MLS) head gasket ensures a robust seal, while the 496 camshaft enhances power delivery. Made in the USA, this Power Pack retains stock engine height, works with stock crankcases, and is compatible with both stock and S&S roller rocker arms. It maintains the original engine serial numbers and works seamlessly with stock valve springs, whether round port or oval port. This upgrade kit is an ideal choice for riders seeking increased performance, durability, and ease of installation in their M8 Harley-Davidson engines.
Features:
- Updated profile to fit M8 models including VVT engines
- Big bore bolt-on kit increases engine displacement from 107" to 129" without case machining
- Includes S&S oil pump and cam plate with removable passage plugs for easy servicing
- Independent scavenge sections for flywheel cavity and cam chest
- Debris screens in both scavenge pickups aid in maintaining oil cleanliness
- Magnet in cam chest reduces debris entry into the oil pump
- Enhanced oil flow capacity on both feed and scavenge sides for improved lubrication
- Adjustable pressure relief valve for fine-tuning oil pressure with the unit installed
- Quickee pushrods with pushrod tubes for reliable valvetrain operation
- Premium S&S tappets and billet aluminum, black-coated tappet cuffs for durability
- High-performance conical single wire valve springs compatible with up to 0.605" lift cams
- MLS (multi-layered steel) head gasket for a reliable seal
- 496 camshaft designed for increased power and torque
- Manufactured in the USA with quality craftsmanship
- Retains stock engine height and works with stock crankcases and valve springs
- Compatible with both first and second generation stock valve springs and rocker arms
- Maintains original engine serial numbers for legal and resale purposes
