S&S Cycle 4.32-inch Big Bore Bolt-Together Power Pack - Harley Touring, Softail & Dyna

The S&S Cycle Power Pack is a complete engine build kit designed for straightforward installation, combining 4.32-inch big bore cylinders with a matched cam, cam plate, oil pump, and supporting components. This system is engineered to maximize reliable high-horsepower output on Harley-Davidson engines without requiring extensive machine work.

Why riders pick this

• 4.32-inch big bore cylinders
• Matched S&S cam and cam plate
• OEM-spec oil pump included
• Complete cam chest components
• Designed for bolt-together installation

For riders seeking significant power gains with a simpler installation process, the S&S Cycle Power Pack delivers. This kit provides a comprehensive solution for upgrading your Harley-Davidson V-twin, featuring precisely matched components that are designed to bolt together. It's an ideal choice for those who want the performance benefits of a big-bore and cam upgrade without the complexities often associated with custom engine builds.

Simplified High-Performance Build

• Features 4.32-inch big bore cylinders for increased displacement
• Includes a matched S&S cam and cam plate system
• OEM-spec oil pump for reliable lubrication
• Complete cam chest components for an all-in-one upgrade
• High-flow design for achieving peak horsepower

Engineered for Direct Installation

This Power Pack is specifically designed as a bolt-together kit, making it accessible for a wider range of Harley-Davidson owners on Touring, Softail, and Dyna platforms. The careful engineering ensures that all components integrate seamlessly, delivering consistent and reliable performance. Before ordering, it's crucial to confirm your specific engine platform (Evolution, Twin Cam, Milwaukee-Eight) to ensure you receive the correct kit version for your motorcycle.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1235D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Common questions