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S&S Cycle Power Pack 4.500" Stroke Big Bore Kit for M8 Engines - 114" to 128" Water-Cooled Performance Upgrade
Regular price $3,497.95 USD
Category:
Power Pack - 4.500" Stroke - Water Cooled - Black w/Highlights - M8
Enhance your Harley-Davidson M8 engine with the S&S Cycle Power Pack 4.500" stroke big bore kit, designed for models ranging from 114" to 128". This bolt-in kit offers a straightforward installation process with no case machining required, making it an ideal choice for riders seeking increased power and performance. Crafted with forged pistons, the kit ensures durability and reliability for high-performance applications. Included components such as the oil pump, cam plate, pushrods with chrome covers, tappets, tappet cuffs, S&S 550 camshaft, and valve springs provide a comprehensive upgrade for your engine's internals. Please note that this kit is not compatible with 121" CVO models, ensuring proper fitment for your specific Harley setup. The kit's black with highlights finish adds a sleek, aggressive look to your engine while delivering boosted horsepower and torque. Whether you're upgrading for street performance or custom builds, this power pack offers a significant improvement in engine output and overall riding experience. Proper installation and tuning are recommended to maximize the benefits of this performance upgrade. Empower your motorcycle with this high-quality S&S Cycle kit and enjoy a noticeable increase in power with reliable, forged construction and premium components.
Features:
- Big bore kit suitable for 114" to 128" Harley M8 engines
- Bolt-in installation with no case machining required
- Includes forged pistons for durability and performance
- Comprehensive kit with oil pump and cam plate included
- Pushrods with chrome covers, tappets, and tappet cuffs for smooth operation
- S&S 550 camshaft designed for optimal power gains
- Valve springs included to support high-performance camshaft
- Water-cooled design with black finish and highlights for a sleek appearance
- Not compatible with 121" CVO models





