These front 1-1/4 bore wheel cylinders were used on most size Chevrolet and GMC trucks. These freshly made new wheel cylinders have no core charge. Left or Right.Chevrolet & GMC Applications 1936-1950 Chevrolet & GMC 1/2 ton 1936-1952 Chevrolet & GMC 3/4 ton 1936-1942 Chevrolet & GMC 1 ton 1936-1950 Chevrolet & GMC 1-1/2 ton1947-1950 Chevrolet & GMC 2 ton.
