Pertronix D71001 HEI III Distributor (Chevy Sb/Bb Red Cap)

HEI III module integrates multi-spark discharge thru red line plus an adjustable digital rev limiter with advanced micro processor New lightweight aluminum alloy housing with aligned and honed high quality bronze sintered bushings for reduced friction and extended life Centerless ground corrosion resistant shaft reduces friction and provides concentric operation Distributor gear is ground to exact tolerances for tighter mesh with camshaft. (Bronze distributor gear available) High dielectric strength cap with brass terminals and low resistance center coil brush. Dwell control keeping the module and coil cooler with dwell current at 7.2 amps