Granatelli Motor Sports

Founded in 1989 by J.R. Granatelli and now headquartered in Oxnard, California, Granatelli Motor Sports (GMS) designs and engineers aftermarket performance automotive parts and accessories. The company's strong engineering background enables GMS to focus on designing and engineering computer based electronic components such as mass airflow sensors, computer tuners, flash tools, and diesel modules as well as suspension systems and components for American muscle cars like Camaro, Corvette, Mustang, GT500, SRT8 Challenger, Charger and 300C. Granatelli operates out of a huge 42,000 facility in sunny Southern California and is a California Corporation.