Performance Upgrades Built for Real Power

Dyno tuning, stage packages, and custom Harley-Davidson builds for Milwaukee Eight and Twin Cam motorcycles.

Dyno Proven

Every completed combination is calibrated and measured.

Platform Focused

Milwaukee Eight and Twin Cam specialization.

Complete Packages

Parts and tuning planned as one working combination.

Built Around the Rider

Recommendations matched to goals, riding style, and budget.

Choose the Right Combination for Your Bike

Every engine combination and rider goal is different. Sheffer Performance scopes the complete combination so the parts, calibration, and intended result work together.
Package names and final parts lists are confirmed during consultation. Pricing is provided after the motorcycle, current modifications, and performance goals are reviewed.

Performance Packages and Custom Builds

Featured Package

Dyno Tuning & EFI Calibration

Precision fuel and timing calibration for stock and modified motorcycles, with final horsepower and torque documented on a dyno sheet.

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Big Bore & Stage Packages

Proven cam, head, exhaust, and displacement combinations for riders looking for stronger torque and usable horsepower.

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Custom Full-Build Packages

Big bore kit, cam, heads, exhaust, and final dyno calibration planned as one complete performance build.

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Additional Performance Services

Cam & Cylinder Head Upgrades

CR-series camshaft upgrades paired with stock or prepared heads to match the rider’s preferred power delivery.

Exhaust & Intake Upgrades

Two-into-one exhaust and intake upgrades selected to support the complete engine combination.

Milwaukee Eight & Twin Cam Specialists

Focused platform experience helps match parts and tuning to the way Milwaukee Eight and Twin Cam engines respond.

How It Works

1

Consultation

Call 812-401-TUNE to discuss your motorcycle, current modifications, goals, and budget.

2

Build

Parts are installed and set up during dedicated appointment-only shop time.

3

Dyno Tune

The completed combination is calibrated under load for power, response, and drivability.

4

Results

Ride away with documented horsepower and torque results from the final dyno session.

Not Sure Which Package Is Right?

Call 812-401-TUNE (8863) for a performance consultation.