Rancho Santa Margarita Auto Service and Repair Shop

Services Contact Us

GRC Performance is the one stop shop for all your Vehicle auto performance needs. Whether it is maintenance or repair of a stock vehicle with factory replacement parts, a full custom build including custom paint, interior, and drivetrain, a total restoration to original specs, or upgrades using the latest high performance car parts available, you can be sure that the GRC team can organize, execute, and deliver the vehicle you require in the time you need.

Our auto performance services are specialized to your make and model and you can be sure that you’re Car, no matter what year it is, will leave a better vehicle than when it came in. Take a look at the services below and make sure you take advantage of our free estimates and inspections.

 Rancho Santa Margarita Better Business Bureau Rating A+ RATING


General Repair and Maintenance
$90.00 per hour
Performance Installations
$90.00 per hour
$90.00 per hour
$90.00 per hour
$125.00 per hour

  • Nitrous Refills
  • Engine and Transmission Conversions
  • Electrical Repair
  • Auto Reconditioning
  • Supercharger Sales and Installation
  • Transmission Repair and Replacement
  • Service Intervals
  • Transmission Upgrades
  • Roll Bars/Cages
  • Full Restoration
  • Suspension Upgrades
  • General Repair
  • Dynotuning
  • Hi Performance Engine Building
  • Suspension
  • Brake upgrades
  • MIG and TIG Welding
  • Differential Repair
  • Interior Restoration
  • High Performance Parts Sales
  • Maintenance
  • Brakes
  • Differential Upgrades
  • Fabrication
  • Engine Repair and Replacement
  • Hot Rod Repair
  • Wheels and Tires
  • Stock Replacement Parts Sales
  • Computer Diagnostics
  • Rancho Santa Margarita Auto Repair: GRC Office

    Rancho Santa Margarita Performance Dynotuning

    Rancho Santa Margarita Brake Jobs, Upgrade and Installation

    Rancho Santa Margarita Performance Engine Modification and Repair

    Rancho Santa Margarita Auto Repair: We Cary a Complete Oil and Fluid Needs for Your Car and Truck

    Rancho Santa Margarita Dynojet

    GRC Performance Inc.
    23854 Via Fabricante Ste. F-5
    Mission Viejo CA 92691
    Bus: 949-457-1875
    Fax: 949-457-1822
    E-mail: ugizzi@grcperformance.com
    © 2023 GRC Performance. All Rights Reserved.