Phone: 704-455-TUNE

Late Model GM Performance and Tuning

Heintz Racing is the nation's leading Late Model GM performance professionals. We are a leader in LSX and LTX performance parts, installation, dyno tuning, and track tuning. 
​We support our customers in developing the right modifications with the best parts in the industry for your performance goals.
Our mission is to support our customers in modifying and tuning Late Model GM vehicles for all situations with an unparalleled professional service experience. Whether you're simply doing minor bolt-ons for your daily-driver, improving your suspension and handling, building a quarter mile track beast, setting half mile/mile track records or hitting the road course; we have the professional staff to help you achieve the maximum from your vehicle.

Featured Builds

We build, maintain and tune some of the fastest LSX cars in the country including the world's fastest SBE CTS-V, 1/2 mile ZR1, and IRS GTO.

Store

Visit our store to buy parts, packages, or apparel on-line.

Packages

COMING SOON! Performance packages are all inclusive including parts, installation, and tuning.

Facebook

Connect with us on Facebook and Facebook messenger.
Heintz Racing is the professional leader in GM Performance. Corvette, Camaro, Trans-Am, CTS-V, GTO, G8, SS, or Truck. If it is LS, LSX, or LT powered, we can make it faster.  If you don't see a service listed that you require, please contact us.
Easily Accessible From I85 or I77
Full Service Performance Shop
Indoor Customer Parking
DynoJet Chassis Dyno
Tuning And Track Support
Complete Turn-Key Packages
Heads & Cam Upgrades
Street/Strip/Race Only Engines
Power Adder Combinations
Suspension Packages
Drivetrain Packages
Nitrous/Turbos/Supercharger
LS Swap Installations and Tuning
We are conveniently located in Mooresville, NC next to Alex Bowman Racing just outside of the Mooresville Dragway.
​Easily accessible via I77 or I85 from Charlotte, Mooresville, Statesville, Ballantyne, Monroe, and South Carolina.