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

Lower Gasket Set Fits 91-00 Chevrolet GMC C1500 C2500 7.4L V8 OHV 16v

For 1988-1990 GMC G3500 Conversion Gasket Set 56871HTJZ 1989 7.4L V8

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

For 1987-1990 GMC R3500 Conversion Gasket Set Felpro 31283PJ 1988 1989 7.4L V8

For 1987-1990 GMC V3500 Conversion Gasket Set Felpro 21751YX 1988 1989 7.4L V8

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