The XK 140 MC was the top-of-the-line Jaguar in 1956. The Special Equipment models, designated as M and MC, were fitted with wire wheels and Lucas FT576 foglamps mounted above the front bumper. The MC was also equipped with the C-Type head, developed for the C-Type Le Mans race car, and the horsepower was raised to 210 at 5,750 rpm. Also, with the C-Type head came a dual exhaust system which used two separate silencers, with pipes running through holes in the chassis cross members and…