Intake Manifold Gasket Set. 2 Intake manifold gaskets. VIN Code: CHEVROLET Cu. 305 VIN D, E, G, H, K, M, 7. [1987 - 1996] GMC, C1500 5.0L - 5.7L,C1500 Suburban 5.7L,C2500 5.0L - 5.7L,C2500 Suburban 5.7L,C3500 5.7L,C3500HD 5.7L,Caballero 5.0L,G1500 5.0L,G1500 5.0L - 5.7L,G2500 5.0L - 5.7L,G3500 5.7L,Jimmy 5.0L.