Davis Unified Ignition Magnetic Pickup Distributor Electronic Advance 630-16 This all amounts to a

This all amounts to a bolt-in replacement coil that produces more output voltage

3-1/4 in Tanks

Chevrolet Silverado & GMC Sierra 3500 HD: 2011 - 2019Vehicle Applications: Chevrolet Silverado & GMC Sierra 2500 HD: 2011 - 2019

Mini Tub Width: 2

The detented adjuster nut can be turned on the rod end for quick engagement adjustment

Davis Unified Ignition Magnetic Pickup Distributor Electronic Advance 630-16 This all amounts to aChevrolet Racing DUI Distributor Black Same as Part Number 127212BK but Includes the Instant Timing Knob Davis Unified Ignition Racing Distributor SBC w Instant Timing Knob Bk Features: Distributor Magnetic Pickup Electronic Advance HEI Style Black Small Block Chevy Performance Distributors Racing D. U. I. Distributor is capable of turning 9000 RPM. Thatas almost double the output of a stock H. E. I.! Years of engineering experience and modern