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

The S&S Cycle Power Package is a complete engine build kit designed to unlock significant horsepower. It combines 4.32-inch big bore cylinders with a matched camshaft, cam plate, and oil pump, along with all supporting components. This system is engineered for reliable performance without requiring a complete engine teardown and rebuild from scratch.

Why riders pick this

• Achieve big-bore displacement with 4.32-inch cylinders
• Optimized power with a matched camshaft and cam plate
• Ensure engine health with a high-flow oil pump
• Complete cam chest components for a seamless build
• Engineered for reliable, high-performance output

When it's time to take your Harley-Davidson's performance to the next level, the S&S Cycle Power Package offers a robust solution. This kit provides a coordinated set of high-performance components, ensuring that your big-bore upgrade is not just powerful, but also reliable. It's an excellent choice for riders who want a comprehensive engine modification designed for maximum output and durability.

Unleash Serious Horsepower

• Features 4.32-inch big bore cylinders for a substantial increase in displacement
• Includes a matched camshaft and cam plate for optimized engine breathing
• High-flow oil pump ensures consistent lubrication under demanding conditions
• Complete cam chest package for a fully integrated performance upgrade
• Designed for reliable performance, even at higher output levels

Pro-Level Engine Enhancement

Installing the S&S Cycle Power Package is a serious engine modification that will transform your Harley's power delivery. Due to the nature of this upgrade, professional installation by an experienced Harley technician or a specialized performance shop is highly recommended. A proper dyno tune will also be essential to calibrate your fuel and ignition systems to the new components, ensuring peak performance and engine longevity.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1228D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Common questions