Built for Power.
Driven by Precision.
Barnhardt Performance is a professional automotive performance shop specializing in engine building, precision tuning, and custom vehicle solutions. Located in Bloomer, Wisconsin, Trent brings over 20 years of hands-on experience and an unwavering commitment to quality craftsmanship.
Performance Runs in Our Blood
At Barnhardt Performance, we take pride in restoring vintage beauties to their former glory while building modern powerhouses that dominate on the street and the track. As a veteran-owned business, we bring the values of integrity, discipline, and meticulous attention to detail into every project that rolls through our doors.
With over 20 years of experience in the automotive performance industry, our team has the knowledge and skill to handle everything from ground-up custom engine builds to precision chassis dyno tuning. We aren't just another shop — we're fellow enthusiasts who understand the passion that drives you to push your vehicle to its absolute limits.
Our approach is built on relationships. Every customer is treated like a neighbor and friend, and we take the time to listen, understand your goals, and offer honest advice backed by decades of proven results. When you bring your vehicle to Barnhardt Performance, you're getting more than a service — you're gaining a partner in performance.
Learn More About Us
Our Core Services
From custom engine builds that deliver jaw-dropping horsepower to precision dyno tuning that maximizes every ounce of performance, we offer a full range of automotive performance solutions tailored to your vision.
Engine Building
Custom engine builds designed for maximum horsepower, torque, and reliability. From street performance to full race applications.
Learn MoreEngine Tuning
Precision fuel injection and carburetor tuning to unlock your engine's full potential on our chassis dyno.
Learn MoreChassis Modifications
Custom fabrication, roll cages, and structural modifications built to the highest standards of safety and performance.
Learn MoreThe Barnhardt Difference
Veteran-Owned
Founded on the principles of integrity, discipline, and unwavering commitment to excellence that come from military service.
20+ Years Experience
Two decades of hands-on automotive performance expertise means your vehicle is in the most capable hands in the region.
Quality Craftsmanship
Every project receives meticulous attention to detail. We don't cut corners — we build it right the first time, every time.
Honest Communication
Transparent pricing, honest assessments, and clear timelines. We treat you like family, not just another customer.
From the Shop Floor
Take a look at some of the custom builds, performance upgrades, and precision craftsmanship that define Barnhardt Performance.
What Our Customers Say
"Trent and his team are top-notch. Had my engine rebuilt and the power difference is night and day. Honest, professional, and the quality of work is outstanding. Highly recommend Barnhardt Performance!"
Mike R.
"Best performance shop in the area, hands down. They tuned my fuel injection system and the results on the dyno were incredible. These guys know what they're doing and they stand behind their work."
Jason T.
"As someone who was nervous about finding a trustworthy shop, Barnhardt Performance exceeded my expectations. They explained everything clearly, delivered on time, and the craftsmanship is excellent."
Sarah K.
Ready to Unleash Your Vehicle's Potential?
Whether you're building a race car from the ground up, chasing more horsepower, or looking for precision tuning to dial in your setup, Barnhardt Performance has the expertise and passion to make it happen. Let's talk about your project.