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The S&S CYCLE Power Pack for M8 engines is a high-performance bolt-on kit designed to enhance your motorcycle's power and reliability. Featuring a 4.375-inch stroke, this water-cooled system incorporates advanced components that deliver increased flow rates and improved oil circulation. Crafted from precision-machined billet aluminum, the oil pump and cam plate include removable passage plugs for easy servicing and maintenance, ensuring long-term durability and optimal performance. The kit's independent scavenge sections for the flywheel cavity and camchest incorporate debris screens and a magnet to minimize contaminants entering the oil pump, contributing to engine longevity. With a 44% increase in supply side flow and a 58% boost on the scavenge side, this system ensures better oil delivery and cooling, which is vital for high-performance applications. The pressure relief valve is adjustable with the unit installed in the engine, providing customization for specific tuning needs. The included quickee pushrods are designed for rapid installation and reliable operation, while the hand-assembled tappets are manufactured to exact tolerances to reduce valve train noise from startup to shutdown. Tappet cuffs, made from billet aluminum with a hard anodized black coating, offer enhanced stability during high lift and high RPM situations, ensuring consistent valve operation. Made in the USA, this Power Pack is a comprehensive upgrade that combines innovative engineering with durable construction for serious performance gains and engine longevity.
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