Flywheel Bolt Kit by ARP These premium-grade ARP Pro Series flexplate bolts are far superior to OEM hardware. Forged from aerospace alloy and heat-treated prior to thread rolling and machining, they feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved register. Features Fastener Material: 8740 chromoly Fastener Finish: Black oxide Fastener Head Style: 12-point Thread Size: M12 x 1.25 Underhead Length (in.): 0.700 in. Fastener Tensile Strength (psi): 200,000 psi Washers Included: No Benefits Forged from aerospace alloy Heat-treated prior to thread rolling and machining Please Note: Designed for 12 and 24-valve engine applications. Applications 1989 – 1993 Dodge DW Pickup 1994 – 2009 Dodge Ram What\’s In The Box? 8 – Bolts Warranty Manufacturers Standard Warranty