Focused on Milwaukee Eight and Twin Cam performance.
Dyno Proven
Builds are tested and calibrated under real load.
Appointment Only
Dedicated shop time for every motorcycle.
Straight Results
Documented horsepower and torque, not guesses.
Our Mission
To help every rider get more usable power, better throttle response, and a motorcycle that performs the way they want it to – verified on the dyno.
Performance Is a Science, Not a Guess
Sheffer Performance was built on a simple idea: Harley riders deserve a shop that treats performance as a measurable process. Every recommendation starts with the motorcycle, the rider, and the result they want.
From daily-rider torque to complete high-output packages, the shop brings the engine combination together and proves it under load.
Milwaukee Eight Expertise
Twin Cam Expertise
In-House Dyno Tuning
Real Results
What Sets Us Apart
Platform Specialists
Focused experience with the platforms Sheffer Performance works with every day.
Dyno Verified
Every completed combination is measured and calibrated on the dyno.
Dedicated Shop Time
Appointment-only scheduling gives each motorcycle focused shop time.
Transparent Results
Printed horsepower and torque results show what the completed build makes.
Straight Talk
Recommendations are based on what will actually support the rider’s goals and budget.
Locally Owned
Serving Evansville and riders throughout the Tri-State area.
Book Your Bike In for a Consultation
Call 812-401-TUNE (8863) to discuss your motorcycle and performance goals.