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S&S CYCLE Power Pack 4.500" Stroke Big Bore Kit for M8 Engines - 114" to 128" with Water Cooling, Black Granite Finish
Regular price $3,427.95 USD
Category:
Power Pack - 4.500" Stroke - Water Cooled - Black Granite w/Highlights - M8
Upgrade your M8 motorcycle with the S&S CYCLE Power Pack 310-1108C, a high-performance big bore kit designed to enhance power and durability. This bolt-in kit fits 114" to 128" engine sizes, including 114" and 117" CVO models, providing a seamless installation that requires no case machining. Crafted with forged pistons, it ensures strength and longevity under demanding riding conditions. The kit includes an oil pump and cam plate for optimal lubrication and timing, pushrods with chrome covers for a polished appearance, as well as tappets, tappet cuffs, and valve springs to support increased airflow and performance. The S&S 550 camshaft is engineered to maximize horsepower and torque, delivering a noticeable boost in engine response. Built for water-cooled M8 engines, this kit features a striking Black Granite finish with highlights, combining aesthetic appeal with rugged durability. Note that this kit is not compatible with 121" CVO models, making it essential to verify your engine specifications before installation. Whether you're aiming for enhanced street performance or improved touring capabilities, this Power Pack offers a reliable upgrade that can transform your riding experience.
Features:
- Big bore kit designed for 114" to 128" M8 engines, including 114" and 117" CVO models
- Bolt-in installation requires no case machining, simplifying the upgrade process
- Forged pistons for increased strength and durability under high-performance conditions
- Includes oil pump and cam plate for comprehensive lubrication and timing management
- Pushrods with chrome covers for improved aesthetics and corrosion resistance
- Supportive components such as tappets, tappet cuffs, and valve springs to enhance airflow and engine efficiency
- S&S 550 camshaft optimized for increased horsepower and torque
- Designed for water-cooled M8 engines with a stylish Black Granite finish and highlights
- Not compatible with 121" CVO models





