S&S Cycle Power Pack with 4.32" Big-Bore Cylinders - Harley Touring, Softail & Dyna

The S&S Cycle Power Pack combines potent 4.32" big-bore cylinders with a perfectly matched camshaft, cam plate, and oil pump. This comprehensive kit is engineered to build reliable horsepower on your Harley-Davidson without requiring a full engine rebuild, offering a true bolt-on performance upgrade for V-twin enthusiasts.

Why riders pick this

• 4.32" big-bore cylinders for increased displacement
• Matched camshaft and cam plate for optimal performance
• Included oil pump for improved engine lubrication
• Complete cam chest package for easy upgrade

For riders looking to significantly enhance their Harley's power output with a streamlined upgrade path, the S&S Cycle Power Pack is an ideal choice. This kit delivers the proven performance of S&S Cycle by pairing substantial 4.32" big-bore cylinders with an optimized camshaft and a high-flow oil pump. It's designed as a cohesive system, ensuring all components work together to unlock your V-twin's potential with greater displacement and improved engine efficiency.

Unlock Your V-Twin's Potential

• Features 4.32" big-bore cylinders for increased displacement
• Includes matched camshaft and cam plate for optimal timing
• Upgraded oil pump enhances lubrication and reliability
• Complete cam chest package for a bolt-on performance upgrade

A Foundation for More Power

This S&S Cycle Power Pack is engineered as a performance upgrade that bolts onto your existing Harley engine, providing a solid foundation for more power. While the kit includes all major cam chest components, remember that any significant engine modification will benefit from a professional tune. A proper fuel management system and dyno tuning will ensure your upgraded V-twin performs at its peak, delivering maximum power and reliability.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1237D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Common questions