MSD HEI Distributor Chevy V8 Circle Track Main Cap Oil Baffle By staging the second pump

By staging the second pump

1985-1994 Chevrolet Cavalier

Male Tee Fitting 12AN

1986-1990 GMC G3500

Flat Mount

MSD HEI Distributor Chevy V8 Circle Track Main Cap Oil Baffle By staging the second pumpMSD engineers have worked tirelessly to perfect the new circle track HEI. A bulletproof ignition module fires a high output coil in the cap while a specially designed, QPQ coated chromoly advance cam and weight set ride on tig welded weight plate pins and a tig welded distributor shaft. This combination provides brute strength and precision timing from idle to max RPM. At the bottom, a QPQ coated steel gear will run lap after lap, race after race,