History and information about Granatelli and their products.
The Granatelli name has been associated with speed for more than seventy years. GMS spends countless hours performing engineering evaluations and precision testing to ensure its customers innovative products and advanced automotive solutions. GMS offers professional installations that are consistent with the Companys high standards. GMS helped establish the standards set forth by the California Air Resources Board (CARB) enabling the Company to secure approval for many companies in the aftermarket manufacturing forced induction systems, camshafts, exhaust systems, cylinder heads and mass airflow sensors.