S&S Cycle Power Packs — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)

S&S Cycle Power Package is a complete engine build kit combining 4.32-inch big bore cylinders with matched pistons, cam, cam plate, and oil pump to deliver high-performance horsepower gains on Harley-Davidson engines. Engineered as a bolt-together system for reliable power without custom fabrication.

Features

• 4.32-inch big bore cylinders
• Matched piston, cam, and cam plate set
• Included oil pump for proper lubrication
• Complete cam chest components
• Designed for reliable high-output power

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1053D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Fitment

Fits Harley-Davidson engines. Confirm your specific model year and engine platform compatibility with S&S Cycle before purchase, as Power Package kits are optimized for particular engine families.

Frequently Asked Questions

What's included in the Power Package?

Cylinders, pistons, cam, cam plate, oil pump, and all necessary cam chest components for a complete build.

Do I need a professional to install this?

Power Package installation requires engine disassembly and machine work. Professional engine builder installation is strongly recommended.

Will this kit fit my specific Harley model?

Power Packages are engineered for particular engine platforms. Verify your model year and engine type (Twin Cam, Milwaukee-Eight, etc.) matches this kit before ordering.

What kind of horsepower gains can I expect?

Actual power depends on your base engine, fuel tuning, and intake/exhaust setup. Contact S&S Cycle with your bike's specs for estimates.