MSD - Replaces GM HEI Distributors that use a 4-Pin ignition module. Leaf Spring - 3 in

Leaf Spring - 3 in Lowering - Multi-Leaf - Steel - Black Paint - GM Compact SUV / Truck 1982-94 - Each

Exhaust Gas Temperature is a critical indicator of the performance of a typical racing engine

5 in ID - 10 in Length - 275 lb/in Spring Rate - Steel - Black Powder Coat - Each

Fitting - Adapter - Straight - 16 AN Male to 1 in NPT Male - Steel - Zinc Plated - Each

MSD - Replaces GM HEI Distributors that use a 4-Pin ignition module. Leaf Spring - 3 inMSD answers the need for a strong, accurate and high performance HEI with our Pro Billet HEI. The distributor is supplied with our Digital HEI Module and Coil so there is plenty of spark energy combined with improved dwell and timing control.