Force 4 Engineering was a British automotive company based in King’s Lynn, Norfolk, that operated briefly from 1991 to 1992. The company specialized in the production of the Force 4 Bretsa, a replica of the ISO Grifo coupé. The Bretsa featured a body constructed from fiberglass, reinforced with carbon fiber to enhance its structural integrity. It utilized mechanical components sourced from Jaguar, specifically the Jaguar XJ series. The prototype…