For 1979-1980 GMC C1500 Rocker Arm Kit 62142MXGY 7.4L V8 OHV Rocker Arm Stock

For 1979-1980 GMC K1500 Rocker Arm Kit 19296DD 7.4L V8 OHV Rocker Arm Stock

For 1979 GMC P1500 Rocker Arm Kit 29533XSNX 7.4L V8 OHV Rocker Arm Stock

For 1979 GMC P1500 Rocker Arm 32742RFRV 7.4L V8 OHV Stock

For 1979 GMC P1500 Rocker Arm 63867YCWQ 7.4L V8 OHV Stock

For 1979 GMC P1500 Rocker Arm Kit 78622NDKV 7.4L V8 OHV Rocker Arm Stock

For 1979 GMC P1500 Rocker Arm 84272CR 7.4L V8 OHV Stock

For 1979 GMC P1500 Rocker Arm Ball 84326HKVT 7.4L V8 OHV Stock