For 1990 GMC C6000 Topkick Rocker Arm Kit 91167ZZ Rocker Arm Stock

For 1990 GMC C6000 Topkick Rocker Arm Kit 63396HPZW Rocker Arm Stock

For 1990 GMC C6000 Topkick Rocker Arm 44713DPQH Stock

For 1990 GMC C6000 Topkick Rocker Arm 93761SYXP Stock

For 1990 GMC C6000 Topkick Rocker Arm 38618VX Stock

For 1979-1986, 1988-1990 GMC K3500 Rocker Arm Kit 82771VMTG 1980 1981 1982 1983

For 1980-1990 GMC C7000 Rocker Arm Kit 81542FHRK 1981 1982 1983 1984 1985 1986

For 1990 GMC C6000 Topkick Rocker Arm Ball 86915QJHX Stock