For 1987-1989 GMC R2500 Rocker Arm 55764HGRJ 1988 7.4L V8 OHV Stock

For 1987-1990 GMC R2500 Suburban Rocker Arm 98471XFTY 1988 1989 7.4L V8 OHV

For 1987-1989 GMC R2500 Rocker Arm Ball 49166TNRQ 1988 7.4L V8 OHV Stock

For 1987-1989 GMC R2500 Rocker Arm 15152GW 1988 7.4L V8 OHV Stock

For 1987-1989 GMC R2500 Rocker Arm Ball 79672FZFR 1988 7.4L V8 OHV Stock

For 1987-1990 GMC R2500 Suburban Rocker Arm Ball 79953YQKG 1988 1989 7.4L V8 OHV

For 1987-1990 GMC R2500 Suburban Rocker Arm Ball 86828CNSF 1988 1989 7.4L V8 OHV

For 1987-1989 GMC R2500 Rocker Arm Kit 83211DYXK 1988 7.4L V8 OHV Rocker Arm