: The current standard introduced in 2015. It features a lighter 1.6L Ford Sigma engine producing approximately 135 hp. This upgrade reduced the car's minimum weight with driver from 1,670 lbs to 1,560 lbs and increased the top speed to roughly 150 mph. Technical Specifications (Gen3)
The class originated in 1984 as the "Sports Renault," featuring a 1.7L Renault engine. It has since gone through several major iterations: Ford Spec Racer
The is the most successful purpose-built road racing car in the United States, with over 1,000 units manufactured by SCCA Enterprises . It is a single-seat, open-cockpit sports racer designed for paved road courses , known for its "momentum car" driving style that rewards smooth inputs and high cornering speeds over raw horsepower. Evolution of the Class : The current standard introduced in 2015
: Vented and slotted Wilwood discs with independent master cylinders. Technical Specifications (Gen3) The class originated in 1984
: Fully adjustable lower A-arms and upper rockers with sealed, rebound-adjustable Penske or Koni shocks.