For 1987-1988 Chevrolet R20 Suburban Rocker Arm Nut Dorman 62421YWBR 7.4L V8

For 1987-1988 Chevrolet R30 Rocker Arm Nut Dorman 96578PKMX 7.4L V8

For 1987-1988 Chevrolet V30 Rocker Arm Nut Dorman 95627KQWN 7.4L V8

For 1987-1988 Chevrolet V20 Suburban Rocker Arm Nut Dorman 96564NQFT 7.4L V8

For 1987-1990 GMC R3500 Rocker Arm Nut Dorman 85829BZRR 1988 1989 7.4L V8

For 1973 Chevrolet Blazer Rocker Arm Nut Dorman 78176ZNPR 7.4L V8

For 1987-1990 GMC V3500 Rocker Arm Nut Dorman 78746BQDF 1988 1989 7.4L V8

For 1987-1989 GMC R2500 Rocker Arm Nut Dorman 59121NJRZ 1988 7.4L V8