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S&S CYCLE Power Pack for M8 310-1051C - 4.375-Inch Stroke Water-Cooled Performance Upgrade
Regular price $3,497.95 USD
Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8 The S&S CYCLE Power Pack (Part Number: 310-1051C) is...
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Power Pack - 4.375" Stroke - Water Cooled - Black w/Highlights - M8
The S&S CYCLE Power Pack (Part Number: 310-1051C) is a comprehensive bolt-on kit designed for optimal performance on M8 engines. Featuring a 4.375-inch stroke, this kit includes forged pistons and a high-performance camshaft, specifically the 550 cam, to enhance engine power and efficiency. Crafted in the USA, the kit requires no case machining, allowing for straightforward installation. The kit also includes an oil pump and cam plate, which are precision machined from billet aluminum, ensuring durability and precision fit. Passage plugs are removable for servicing, and debris screens are integrated into both scavenge pickups, with a magnet in the camchest to prevent debris from entering the oil pump. The oil supply side experiences a 44% increase in flow, while the scavenge side sees a 58% flow increase, contributing to improved oil circulation and engine cooling. The pressure relief valve is adjustable once the kit is installed, providing tunability for specific engine needs. Quickee pushrods included in the kit are designed for rapid installation and optimal valve operation. Tappets are hand-assembled to exact tolerances, reducing valve train noise from startup to shutdown and ensuring low leak-down rates for better sealing and efficiency. Tappet cuffs are billet aluminum with a hard anodized black coating, providing stability at high lift and high RPM conditions. This Power Pack is ideal for enthusiasts seeking a reliable, high-performance upgrade that combines increased power, durability, and ease of installation, all wrapped in a sleek black finish with highlights for a stylish appearance.
Features:
- Bolt-on installation with no case machining required for quick setup
- Forged pistons and a 550 camshaft for enhanced power output
- Precision machined billet aluminum oil pump and cam plate with removable passage plugs for servicing
- Debris screens and a magnet in the camchest to prevent contamination and protect the oil pump
- Flow increase: 44% on supply side and 58% on scavenge side for improved oil circulation
- Adjustable pressure relief valve for tuning engine performance
- Quickee pushrods for fast installation and reliable valve operation
- Hand-assembled tappets with tight tolerances reduce valve train noise
- Billet aluminum tappet cuffs with black hard anodized coating for high lift and RPM stability
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