This set of the long head bolts is perfect for those looking to replace their old or worn out bolts. Missing the 8 short bolts to make a complete set. These bolts are ORIGINAL GM X HEAD specific to Big Block Chevy engines, fitting 396, 402, 427, and 454 models. They are original GM bolts that have been previously used, but are still in good condition and suitable for reuse. If you're in need of new head bolts and want to save some money without sacrificing quality, this set is a great option. These have the large X on each head and are original GM. Full set of the long bolts for two heads but missing the eight short bolts. These also have a small dog bone on the heads. #92

24 LONG BOLTS FOR 2 HEADS. MISSING THE 8 SHORT BOLTS.