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

The S&S Cycle Power Pack is a comprehensive engine rebuild kit designed to inject serious power into your Harley-Davidson V-twin. Combining 4.32-inch big bore cylinders with a high-performance cam, cam plate, oil pump, and all supporting components, this package simplifies a complex upgrade.

Why riders pick this

• Increase displacement with 4.32-inch big bore cylinders
• Matched high-performance cam and cam plate system
• High-flow oil pump for improved lubrication
• Complete cam chest components for a comprehensive upgrade
• Engineered for reliable horsepower gains

When you're ready to step up the performance of your Harley-Davidson, the S&S Cycle Power Pack provides a complete, engineered solution. This kit bundles all the critical components for a significant displacement and cam upgrade, ensuring compatibility and optimal performance without the guesswork of piecing together individual parts. It's built for riders who demand reliable horsepower and torque gains across the RPM range.

Engineered for Performance and Reliability

• Includes 4.32-inch big bore cylinders for increased displacement
• Features a matched high-performance cam and cam plate system
• Comes with a high-flow oil pump and complete cam chest components
• Designed to deliver substantial power increases with proven S&S reliability

Upgrade Your V-Twin's Heart

This Power Pack is ideal for riders looking to transform their Harley Touring, Softail, or Dyna into a true performance machine. While the kit provides a comprehensive solution, cylinder installation typically requires professional honing and fitting by a qualified Harley engine builder to ensure proper clearances and longevity. This ensures your V-twin is built right and ready to handle the increased power.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1104D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Common questions