Long Block for for Perkins 1004-4 Various cylinder blocks are available, suitable for various engines · Long Block for Perkins 1004-4· Various cylinder blocks are available· Suitable for various engines: CAT, CUMMINS, DEUTZ, GM, ISUZU,IVECO, KOMATSU, KIA, MAZDA, MITSUBISHI, NISSAN Long Block for Perkins 1004-4