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

The S&S Cycle Power Pack is a complete big-bore engine kit, meticulously engineered to deliver reliable high-horsepower builds for your Harley-Davidson. It combines 4.32-inch cylinders with matched pistons, a performance cam, cam plate, and an oil pump, creating a bolt-together system that maximizes performance while minimizing complexity and cost.

Why riders pick this

• 4.32-inch big-bore cylinders for increased power
• Matched piston and ring set for optimal performance
• Complete cam chest kit including cam, plate, and oil pump
• Engineered as a bolt-together system for reliability

Building a high-performance Harley engine doesn't have to be a complicated affair of sourcing individual components. The S&S Cycle Power Pack provides an all-in-one solution, integrating 4.32-inch big-bore cylinders with a perfectly matched piston and ring set, a high-performance camshaft, a robust cam plate, and an upgraded oil pump. Every component in this kit is engineered by S&S Cycle to work in harmony, ensuring a significant boost in power and torque for your V-twin.

Engineered for Maximum Performance

• Features 4.32-inch big-bore cylinders for substantial displacement
• Includes matched piston and ring set for optimal compression
• Performance cam, cam plate, and oil pump for a complete system
• All components engineered together for reliable high-horsepower builds

Seamless Power Integration

This S&S Cycle Power Pack is designed as a bolt-together kit, making the upgrade process more straightforward for experienced mechanics and DIY enthusiasts. However, for a successful installation and to fully realize the performance benefits, additional gaskets, fasteners, and fluids will be required. Always consult your shop manual or S&S documentation for specific installation instructions and recommended components to ensure your Harley performs flawlessly.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1102D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Common questions