Now you can use premium-quality ARP chromoly bolts to install most anything on a car, boat, or trailer. These specially heat-treated 8740 chromoly fasteners feature a black oxide finish. They are nominally rated at 180,000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware.

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ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 1/4 in.-28 Thread, 180000psi, Set of 2

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ARP Bolts, 12-Point Head, Stainless 300, Polished, 5/16 in.-24 RH Thread, 4.750 in. UHL, Set of 5

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ARP Nut, Hex, ARP Stainless Steel, Polished, Flanged, 3/8 in.-16 Thread, 180000psi, Each

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ARP Bolts, Hex Head, Custom 450, Black Oxide, 7/16 in.-14 RH Thread, 4.500 in. UHL, Set of 5

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ARP Washer, Hardened, High Performance, Flat, 5/16 in. ID, 0.563 in. OD, 0.063 Thick, Cad Plated, Each

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