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

S&S Cycle Power Package combines 4.32-inch big-bore cylinders with matched cam, cam plate, oil pump, and supporting components to deliver reliable high-horsepower builds. A complete bolt-on kit that eliminates the guesswork of sourcing compatible top-end parts.

Features

• 4.32-inch big-bore cylinders
• Matched high-performance cam and cam plate
• OEM-spec oil pump included
• Complete cam chest components

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1107D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Fitment

Fits Harley-Davidson models. Verify specific engine displacement and year compatibility with S&S Cycle before ordering.

Frequently Asked Questions

What's included in this Power Package?

Cylinders, pistons, rings, cam, cam plate, oil pump, and all gaskets and hardware needed for installation.

Do I need to tune my bike after installing this kit?

Yes — a fuel tuner or ECM recalibration is recommended to optimize performance and fueling with the larger displacement.

Will this fit my Harley?

This kit is designed for Harley-Davidson engines. Contact S&S Cycle with your specific year and model to confirm fitment.

Is professional installation required?

Top-end engine work requires mechanical skill and proper tools. Most riders have this installed by a qualified Harley technician.