S&S Cycle 4.32-inch Big Bore Power Package - Harley Touring, Softail & Dyna

The S&S Cycle Power Package is a complete engine rebuild kit designed for substantial horsepower gains. It combines 4.32-inch big bore cylinders with matched pistons, a cam, cam plate, and oil pump. This system is engineered to minimize the need for custom machine work or extensive engine modifications, simplifying your upgrade.

Why riders pick this

• Achieve big-bore displacement with 4.32-inch cylinders
• Ensure optimal compression with a matched piston and ring set
• Boost power with an included matched cam and cam plate
• Maintain engine health with a high-performance oil pump
• Simplify upgrades with a complete cam chest component set

For riders looking to push the limits of their Harley-Davidson engine, the S&S Cycle Power Package offers a meticulously engineered solution. This kit provides a complete set of matched components, ensuring that your big-bore upgrade delivers not just raw power, but also the reliability S&S is known for. It's an ideal choice for transforming your stock V-twin into a high-performance machine.

Complete System for Performance Gains

• Features 4.32-inch big bore cylinders for a significant boost in displacement
• Includes a matched piston and ring set for optimal compression and sealing
• Included cam and cam plate are perfectly matched for enhanced powerband
• Matched oil pump ensures consistent lubrication under all conditions
• Complete cam chest components provide a comprehensive and integrated upgrade

Engineered for Your V-Twin

Installing an S&S Cycle Power Package is a serious performance upgrade that demands attention to detail. While designed to simplify the process, professional installation by a qualified Harley-Davidson technician is strongly recommended. After installation, a custom dyno tune will be essential to properly calibrate your engine's fuel and ignition systems, ensuring maximum output and long-term reliability.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1227D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Common questions