ARP 254-2901 (4.6 / 5.4 Ford Modular Flexplate Bolts)

ARP Part #: 254-2901 Fastener Material: Steel Fastener Finish: Black oxide Fastener Head Style: 12-point Thread Size: 10mm x 1.0 Underhead Length (in): 0.800 in. Fastener Yield Strength (psi): 200,000 psi Washers Included: No Quantity: Sold as a set of 8. These premium-grade Pro series flexplate bolts from ARP are far superior to OEM hardware. These bolts are forged from aerospace alloy and are 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.