For 1973-1974 GMC G35/G3500 Van Rocker Arm Nut Dorman 46658NPTM 7.4L V8

For 1976-1977 GMC K25 Suburban Rocker Arm Nut Dorman 38491HRZD 7.4L V8

For 1975-1976 GMC G25 Rocker Arm Nut Dorman 88583PRVX 7.4L V8

For 1976-1978 GMC K25 Rocker Arm Nut Dorman 52471ZCTS 1977 7.4L V8

For 1973, 1976 GMC Jimmy Rocker Arm Nut Dorman 77559FYBS 7.4L V8

For 1976 GMC K15 Rocker Arm Ball 21271FTVF 7.4L V8 OHV Stock

For 1975-1978 GMC C15 Rocker Arm Nut Dorman 35429CXQQ 1976 1977 7.4L V8

For 1975-1978 GMC C25 Suburban Rocker Arm Nut Dorman 58998DMWK 1976 1977 7.4L V8