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

For 1991 GMC R2500 Suburban Rocker Arm Kit 66784YZDF 7.4L V8 OHV Rocker Arm

For 1987-1990 GMC R2500 Suburban Rocker Arm Kit 33441VQQT 1988 1989 7.4L V8 OHV

For 1987-1989 GMC R2500 Rocker Arm Kit 59524KJPH 1988 7.4L V8 OHV Rocker Arm

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

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

For 1991 GMC R2500 Suburban Rocker Arm Kit 98188YTZY 7.4L V8 OHV Rocker Arm

For 1987-1990 GMC R2500 Suburban Rocker Arm Kit 87663GNVW 1988 1989 7.4L V8 OHV