• #dowork

    Welcome to Gromm Racing, where performance meets precision. With over 50 years of experience in the automotive industry, we are dedicated to pushing the boundaries of engine performance and reliability.

  • Line boring

    Our team combines cutting-edge technology with meticulous craftsmanship. Whether you're looking for a custom engine build or performance upgrades, Gromm Racing is your trusted partner.

  • Custom Gromm Racing Valve Covers

    Our mission is to deliver engines that not only meet but exceed our clients' expectations, offering unparalleled power, great attention to detail, and exceptional efficiency.

  • Rottler CNC

    Automotive Machine Work

    • Rotating assembly balancing
    • Engine block blueprinting and machine work using state of the art Rottler CNC
    • Cylinder honing to leading industry standards for your specific application with our Rottler H85AX
  • Cylinder Head Services

    Cylinder head services

    • Guide replacement
    • Seat installations
    • CNC porting
    • Digitizing
    • Competition valve jobs
    • Weld repairs
  • Engine Dyno Tuning

    We offer engine tuning with Holley EFI or Carbureted using our Super Flow Power Mark dyno.

  • Chassis Dyno Tuning

    All chassis tuning is done on our state-of-the-art Mainline Hub dyno, and we are familiar with Holley EFI, HP, and many other platforms.

  • Mill Work

    For any custom machine work, we have a rate of $250 per hour.

  • Campbell Racing

    Bailey Campbell

    Wailey Campbell

  • Gabe Brouse

We Are Committed To Quality

Shop our online store to purchase custom parts and get your project completed!