The Chevrolet Task Force followed the Advance Design beginning in late 1955 and ran through 1959. The Apache, Viking, and Spartan (light, medium, and heavy-duty, respectively) trucks were a big step forward with new offerings such as GM's first V8 engine and a 12-volt electrical system.

Ready To Run Distributors have a built-in ignition module, so an Ignition Control such as a MSD 6A box is not required. They’re simple to drop in and connect with three wires (power, coil negative and ground) making them favorites for street rods and muscle cars.