PART NUMBER: 84101. The answer was to mold their own HEI cap, rotor and coil cover. 1987-1989 GMC V3500. 1975-1977 GMC Sprint. 1987-1989 GMC R3500. 1979-1986 GMC K3500. 1977-1978 GMC K35. 1979-1986 GMC K2500 Suburban.
MSD Performance 82933 Distributor Accessories
MSD Performance 84211 Distributor Accessories
MSD Performance 8482 Distributor Accessories
MSD Performance 84315 Distributor Accessories
MSD Performance 8017 Distributor Accessories
MSD Performance 8541 Distributor Accessories