GM H.E.I. (High Energy Ignition) style distributor. Order the correct harness part # for your... see moreGM H.E.I. (High Energy Ignition) style distributor. Order the correct harness part # for your car along with this modification part #. The harness you need to order is usually the Engine Harness, but can be the Dash Harness. To verify, check the wiring going to the ignition coil and ballast resistor (if applicable) in your car.
Similar features as the knob type top post version, but designed for side post batteries.Similar features as the knob type top post version, but designed for side post batteries.