The importance of pressure plate bolts in a racing or high performance street applications cannot be emphasized nearly enough. These fasteners play a key role in both the performance and safety of a vehicle. Because of this, ARP has developed special pressure plate bolts that are application-specific to ensure the optimum grip length. ARP High Performance Series bolts are made from a premium-grade chromoly and hardened to a nominal tensile strength of 180,000 psi. Choose the thread size needed for your make and model.Pressure Plate Bolts, Hex, 3/8-16 in. Thread, Chromoly, Black Oxide, Chevy, 4.3L LT, 5.7L LT, Set of 6Features:Fastener Style: BoltThread Size: 3/8-16 in.Fastener Material: ChromolyFastener Finish: Black oxideFastener Head Style: Hex head Wrench Diameter: 9/16 in. Underhead Length (in): 1.615 in. Fastener Yield Strength (psi): 180,000 psi Washers Included: No Nuts Included: No