Davis Unified Ignition Racing Distributor SBC Locked Out Advance Air Cleaner Element Lightest weight (20 lbs

Lightest weight (20 lbs

2007 GMC Sierra 3500 Classic

570 in Dual Spring

please refer to part # CB010

Davis Unified Ignition Racing Distributor SBC Locked Out Advance Air Cleaner Element Lightest weight (20 lbsChevrolet Racing DUI Distributor All Small Block and Big Block Chevrolet V8's Black Cap Includes Racing Coil, High Dwell Module, Brass Terminal Cap and Rotor and Cast Iron Gear No Mechanical Advance Davis Unified Ignition engineers and distributes the most advanced line of high performance and racing ignition systems, being the most technologically advanced manufacturer in the performance industry. Our pioneering line of H. E. I. Distributors, D. U.