For 1989-1990 Chevrolet R3500 Rocker Arm Ball 49875XZYC OHV Stock

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

For 1989-1990 Chevrolet V3500 Rocker Arm Kit 69986MXJM OHV Rocker Arm Stock

For 1987-1990 GMC R3500 Rocker Arm 81646WTTC 1988 1989 7.4L V8 OHV Stock

For 1987-1990 GMC R3500 Rocker Arm Kit 75716ZDWG 1988 1989 7.4L V8 OHV

For 1988-1990 Chevrolet K3500 Rocker Arm Kit 17322SNQH 1989 OHV Rocker Arm Stock

For 1988-1990 Chevrolet C3500 Rocker Arm Kit 26333KNBS 1989 OHV Rocker Arm Stock

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