Long-term bottom-end security is assured through use of ARP’s heat-treated 8740 chrome moly main studs, which are rated at 190,000 psi tensile strength and far superior to factory TTY bolts that are yielded by design an should never be re-used. The kits include four main studs, as well as two side bolts that provide rock-solid main cap support. Parallel ground washers, 12-point nuts for the studs, plus a packet of ARP Ultra-Torque® fastener lubricant are included.
156-5803 – Main Cap Kit for 5.0L Ford Coyote

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