: Steel tube frame with a three-piece fiberglass body.
The SRF is built with a strictly controlled one-design specification to ensure a level playing field: Ford Spec Racer
: Features 360-degree impact structures, roll hoops, a six-point harness, and an integrated fire suppression system. Ownership and Racing Why I Bought A Spec Racer Ford - Kanga Motorsports : Steel tube frame with a three-piece fiberglass body
The class originated in 1984 as the "Sports Renault," featuring a 1.7L Renault engine. It has since gone through several major iterations: a six-point harness