• performance-parts

    Performance Parts

    Providing a hand-picked selection of quality, proven, performance parts.

  • sema-action-network

    SEMA Action Network

    SEMA Action Network (SAN) is a unique partnership between car clubs, individual enthusiasts and members of the specialty automotive parts industry who work together to protect their hobby.

  • made-in-usa

    Made in USA

    Look for the Made in USA logo. We prefer to use and strive to find performance parts Made in the USA!

  • lsx-454r
  • Delivery

    Ensuring your peace of mind, tracking information is provided with every shipment.

  • Technical Support

    Can't find the parts you need? Contact us, we're here to help!

  • Secure Payment

    We accept payments using PayPal, the trusted leader in secure online payments.

Granite City Performance

custom engineered competition components

We are a small speed-shop located in central Minnesota, specializing in engine dyno simulations and design of custom engineered components for street performance, drag race, circle-track and off-road competition.

Some products are not legal for use in California or other states with similar laws & regulations.