For 1979-1980 GMC P1500 Rocker Arm 34786QKWK 4.8L 6 Cyl Stock

For 1979-1980 GMC P1500 Rocker Arm Kit 63785GZNY 4.8L 6 Cyl Rocker Arm Stock

For 1979-1980 GMC P1500 Rocker Arm 67415YGCD 4.8L 6 Cyl Stock

For 1979-1984 GMC G1500 Rocker Arm Kit 79817QSXM 1980 1981 1982 1983 4.1L 6 Cyl

For 1979-1980 GMC P1500 Rocker Arm Kit 78529NQFD 4.8L 6 Cyl Rocker Arm Stock

For 1987, 1989 GMC R2500 Rocker Arm 43135SHYR Stock

For 1979-1986, 1988 GMC C2500 Rocker Arm 47626RP 1980 1981 1982 1983 1984 1985

For 1987 GMC R1500 Rocker Arm Kit 27919XM Rocker Arm Stock