For 1987-1988 GMC R2500 Rocker Arm 12475NJRM Stock -- without Rail

For 1987-1988 GMC R2500 Rocker Arm Kit 72438XYGC Rocker Arm Stock

For 1987-1988 GMC R2500 Rocker Arm 11597ZF Stock -- Without Rail

For 1987-1988 GMC R2500 Rocker Arm 87282VNMB 4.8L 6 Cyl Stock

For 1987-1988 GMC R2500 Rocker Arm 48626QTGX 4.8L 6 Cyl Stock

For 1987-1988 GMC R2500 Rocker Arm Kit 73648XKCQ Rocker Arm Stock

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

For 1987-1988 GMC R1500 Suburban Rocker Arm 17416YMSH Stock -- without Rail