Beating inside the Bronco is a stroked 420ci Ford Windsor V-8. It features Trick Flow Twisted Wedge heads, 10.1:1 SRP forged pistons, and Crane rocker arms. The propane-powered mill also uses an Edelbrock Victor Jr. intake manifold, while a pair of JBA 5.0 Mustang shorty headers gather up the exhaust. Other improvements include an MSD Digital 6+ ignition, an Optima RedTop battery, and an ACCEL coil and wires. At 6,000 rpm, 500hp and 500 lb-ft of torque flow through the newly added C6 three-speed automatic transmission.