384-4912 CYLINDER BLOCK GP-SHORTPART OF 455-4783 CONFIGURATION AR-ENGINE, 455-4837, 460-9587, 461-1366, 463-8212, 463-8222, 463-8225, 463-8231, 463-8234, 463-8237, 463-8242, 463-8244, 464-8042, 479-5987 ENGINE AR, 462-4579, 463-1466, 463-1467, 463-1468, 463-1474, 463-1478, 463-1479, 463-7170, 463-7258, 463-7327, 463-7329, 463-8245, 463-8247, 469-7205, 471-3034, 475-7406, 478-7737, 540-4172 ENGINE AR-COMPLETE, 454-9916, 455-4781 MODULE AR-ENGINE & EXHAUST