The original D-Series pickups offered a lot of power in a lot of different variations. The venerable Slant 6 made its debut in the D100 and if you checked the right boxes, you'd find a 413 cubic inch big-block resting in the engine bay. As for innovation, the 1st Generation D100 was the first vehicle to implement the alternator.

Hays flexplates are built to withstand the punishing force of high-stall torque converters and high-RPM engines. Available for many different types of transmission and engine combinations.