Flywheel Bolt Kit by ARP These Pro series flywheel bolts from ARP give you all that you need to bolt in your flywheel with confidence. They\’re much stronger than OEM hardware, are forged from aerospace alloy, and are heat-treated prior to thread rolling and machining. These bolts feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved flywheel register. Features Rear Main Seal Style: 1-piece Thread Size: M12 x 1.0 Underhead Length (in.): 0.990 in. Washer Included: Yes Head Style: 12-point Fastener Finish: Black oxide Fastener Material: Chromoly Benefits Much stronger than OEM hardware Forged from aerospace alloy Heat-treated prior to thread rolling and machining Applications 1996-2000 Ford Contour 1991-2000 Ford Escort 2000 Ford Focus 1996-1997 Ford Probe What\’s In The Box? 8 – Bolts Warranty Manufacturers Standard Warranty