MSD - Replaces GM HEI Distributors that use a 4-Pin ignition module. Carburetor Inlet Fitting - Straight

Carburetor Inlet Fitting - Straight - 7/8-20 in Male O-Ring to 7/8-20 in Male O-Ring Outlet - Aluminum - Black Anodized - Holley Carburetors - Pair

3 - Fire Retardant Blend - Black - Medium - Each

Seat Bracket - Pro Bracket - Side Mount - Adjustable - Aluminum - Black / Red Anodized - Each

Fitting - Adapter - 90 Degree - 10 AN Male to 1/2 in NPT Male - Aluminum - Black Anodized - Each

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

MSD - Replaces GM HEI Distributors that use a 4-Pin ignition module. Carburetor Inlet Fitting - StraightMSD 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.