Davis Unified Ignition Racing Coil Kit - Includes Coil - Cap - Rotor & Screws - 1974-Up Chevrolet V8 BR20053 MSDs Nailhead Distributor is a

MSDs Nailhead Distributor is a Ready-to-Run design which means that it doesnt require an external ignition box

Gasket Diameter

HolleySince 1938

MSD Street Fire HEI Internal Coil 5525

Davis Unified Ignition Racing Coil Kit - Includes Coil - Cap - Rotor & Screws - 1974-Up Chevrolet V8 BR20053 MSDs Nailhead Distributor is aRace Coil Kit GM DUI HEI V8 Distributor L Clamp Hold Includes Racing Coil, Cap, Rotor and Top Cover Red Cap The D. U. I. Racing Coil Kit is capable of 9000 rpm's. That's almost twice the output of a stock HEI coil! The coil comes installed in a brass terminal cap and includes the rotor and nylon rotor hold down screws. Spark plug gaps can be widened to between . 050" . 055" because of the higher voltage output of this coil kit. The wider plug gaps