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.
simple plug-in conversion allows use of a 1973-85 SI series, internally regulated alternator in place... see moresimple plug-in conversion allows use of a 1973-85 SI series, internally regulated alternator in place of the original externally regulated alternator