For 1987-1990 GMC R3500 Rocker Arm Ball 18589RCRB 1988 1989 7.4L V8 OHV Stock

For 1987-1990 GMC R3500 Rocker Arm Ball 78752MVNJ 1988 1989 7.4L V8 OHV Stock

For 1987-1990 GMC V3500 Rocker Arm Ball 38452XWTN 1988 1989 7.4L V8 OHV Stock

For 1987-1990 GMC V3500 Rocker Arm Ball 59561GDHV 1988 1989 7.4L V8 OHV Stock

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

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 1987-1990 GMC R3500 Rocker Arm Kit 33975RYDH 1988 1989 7.4L V8 OHV