Based on the same Ford 351 Cleveland V8 engine used in the road going Pantera, the engine in the Group 4 Pantera was fitted with bespoke aluminium heads, TRW forged pistons, large capacity oil pans and titanium valves. Initially, a single Holley Racing 1150 CFM four barrel carburetor was fitted but this was replaced by four Weber carburetors and a revised intake. The engine had a higher compression ratio of 12.0:1. Displacement of the racing engine was unchanged from road going Pantera's engine. The "spaghetti" styled exhaust system similar to the one used in the Ford GT40 was used. The engine had a claimed power output of . Although the cars ran at a power output of at 7,000 rpm which was increased to when the Weber 850 CFM carburetors were used. The engine was mated to a ZF 5-speed close ratio manual transmission with a heavy duty single clutch plate.