Flywheel bolts play an important role in the performance and safety of race cars and street machines alike Thats why the fastener experts at ARP developed special bolts that are far superior to OEM hardware This High Performance Flywheel bolt kit is forged from aerospace alloy, rated at 180,000 psi, and heat-treated prior to thread rolling and machining It features an exclusive, flat, 12-point head design and larger than stock shank diameter for increased strength and improved flywheel register comes complete with applicable washers and nuts