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: Steel Fastener Finish: Black oxide Fastener Head Style: 12-point Thread Size: M10 x 1.0 Underhead Length (in.): 0.800 in. Fastener Tensile Strength (psi): 200,000 psi Washers Included: No Benefits Forged from aerospace alloy Heat-treated prior to thread rolling and machining Applications 1999 – 2004 Ford Crown Victoria 1999 – 2004 Ford E-series 2000 – 2004 Ford Excursion 1999 – 2004 Ford Expedition 2002 – 2004 Ford Explorer 1999 – 2004 Ford F-150 1999 – 2004 Ford F-250 1999 – 2004 Ford F-350 1999 – 2004 Ford Grand Marquis 2001 – 2004 Ford Lobo 1999 – 2004 Ford Mustang What\’s In The Box? 8 – Bolts Warranty Manufacturers Standard Warranty