Davis Unified Ignition Racing Distributor - SB Ford 351W w/ Mechanical Advance Only 351003 1969-1971 Chevrolet Blazer

1969-1971 Chevrolet Blazer

1966-1967 American Motors Marlin

of PTFE lined braided stainless hose

Small Block Chevy 265-400

500 in Thick Spacers

Davis Unified Ignition Racing Distributor - SB Ford 351W w/ Mechanical Advance Only 351003 1969-1971 Chevrolet BlazerFord Racing DUI Distributor 351 Windsor V8 Red Cap One Wire Hookup Includes Racing Coil, High Dwell Module, Brass Terminal Cap and Rotor, Cast Iron Gear, Race Tuned Mechanical Advance No Vacuum Advance The Racing D. U. I. only draws 2 to 3 amps off of the battery, whereas point type ignitions and spark boxes drain 10 amps or more. The Racing D. U. I. Coil and the Dyna Module produce a long duration spark allowing spark plug gaps to be opened up to .