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" big bore cylinders with matched pistons, cam, cam plate, and oil pump for high-output Harley builds. Engineered to deliver reliable horsepower without requiring a complete engine teardown and sourcing parts separately.

Features

• 4.32" big bore cylinders
• Matched piston set
• Included cam and cam plate
• Matched oil pump
• All fasteners and gaskets included

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-1052D
• Category: Engine Components / Piston Sets - Powersports
• Weight: 44.19 lb

Fitment

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

Frequently Asked Questions

What's included in the Power Package?

Cylinders, pistons, cam, cam plate, oil pump, gaskets, and fasteners needed for assembly.

Do I need to remove my engine to install this kit?

Yes — this is a major engine rebuild requiring full engine removal and disassembly. Professional installation is recommended.

Will this fit my specific Harley model and year?

Power Packages are made for different engine platforms. Confirm your displacement and model year with S&S or your dealer before purchasing.

What kind of horsepower gain can I expect?

Gains depend on your base engine, fuel system, and tuning. Contact S&S Cycle for dyno results specific to your build.