Distributor assembly, includes vacuum advance mechanism fits Chev. 216 engine

MSD Distributor Vacuum Advance fits Chevrolet R3500 89-1991

MSD Distributor Vacuum Advance fits GMC 1987-1991 R3500

MSD Distributor Vacuum Advance fits with Chevrolet V3500 1989-1991

MSD Distributor Vacuum Advance fits with Chevrolet R2500 Suburban 1989-1991

MSD Distributor Vacuum Advance fits Chevrolet 58

New HEI Adjustable Vacuum Advance Fits all 6 & 8 Cylinder HEI Distributor

MSD Distributor Vacuum Advance fits Chevrolet Express 3500 1996-2000