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 transformation kit combining 4.32" big bore cylinders with matched cam, cam plate, oil pump, and supporting components. Designed to deliver high-performance horsepower while maintaining reliability on Harley-Davidson engines.

Features

• 4.32" big bore cylinders
• Matched cam and cam plate
• Oil pump included
• Complete cam chest components
• High-performance reliability

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1231D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Fitment

Fits Harley-Davidson engines. Verify your specific model year and engine type with S&S Cycle before ordering to ensure proper fitment.

Frequently Asked Questions

What's included in the Power Package?

4.32" cylinders, matched cam, cam plate, oil pump, and all cam chest components needed for installation.

Do I need other parts to complete my engine rebuild?

The Power Package provides the major cam chest components. You may need additional gaskets, fasteners, or intake/exhaust components depending on your build.

Is this a bolt-on kit or does it require machine work?

This is a significant engine modification requiring professional installation and likely head porting or machine work — not a bolt-on upgrade.

Will this fit my specific Harley model?

S&S Power Packages are designed for Harley engines, but fitment varies by year and engine type. Confirm your model with S&S Cycle or your builder before purchase.