For 1987-1989 GMC R2500 Conversion Gasket Set 84851BJZC 1988 7.4L V8

For 1987-1989 GMC R2500 Conversion Gasket Set Felpro 18718CMDV 1988 7.4L V8

For 1987-1990 GMC R3500 Conversion Gasket Set Felpro 99384PXZR 1988 1989 7.4L V8

For 1987-1990 GMC R3500 Conversion Gasket Set Felpro 24643QYBK 1988 1989 7.4L V8

For 1987-1990 GMC V3500 Conversion Gasket Set Felpro 97421ZQJX 1988 1989 7.4L V8

For 1987-1990 GMC V3500 Conversion Gasket Set Felpro 91399QVCM 1988 1989 7.4L V8

For 1988-1990 GMC G3500 Conversion Gasket Set Felpro 89779CYPZ 1989 7.4L V8

For 1988-1990 GMC G3500 Conversion Gasket Set Felpro 53249NHNS 1989 7.4L V8