Davis Unified Ignition Racing Coil Kit - Includes Coil - Cap - Rotor & Screws - 1974-Up Chevrolet V8 BR20053 MSD Street Fire HEI Internal

MSD Street Fire HEI Internal Coil 5525

Gasket Diameter

Terminal Position Assurance

Programmable Target Air Fuel Ratios per Boost level

Machined bearing cups

Davis Unified Ignition Racing Coil Kit - Includes Coil - Cap - Rotor & Screws - 1974-Up Chevrolet V8 BR20053 MSD Street Fire HEI InternalRace 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