MSD HEI Distributor Chevy V8 Circle Track Main Cap Oil Baffle 1986-1990 GMC G3500

1986-1990 GMC G3500

Ford Fullsize Truck 2004-10

1985-1994 Chevrolet Cavalier

along with an internal thread to assist when removing if necessary

Frame Boss / Spuds

MSD HEI Distributor Chevy V8 Circle Track Main Cap Oil Baffle 1986-1990 GMC G3500MSD 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,