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 Bolts, Hex Head, Custom 450, Black Oxide, 5/16 in.-18 RH Thread, 4.750 in. UHL, Set of 5

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ARP Washer, Flat Washer, 0.440 in. Outer Diameter, 0.250 in. Inner Diameter, Chromoly, Black Oxide, Each

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ARP Nut, Hex, Steel, Cadmium, Serrated Flange, 1/4 in.-28 Thread, Set of 2

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