ARP rugged, black-oxide coated chromoly intake manifold bolts are rated at 170,000 psi. They're precision-machined for optimum thread engagement and have a wide-area flange for better load distribution. They also feature precision-rolled threads, which prevent galling, while promoting more consistent torque loading. These bolts are available with either hex or 12-point heads, and washers are included.

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ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 9mm x 1.25 Thread, 180000psi, Each

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ARP Washer, Hardened, High Performance, Flat, 6mm ID, 25.1mm OD, 1.7mm Thick, Chromoly, Black Oxide, Set of 2

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ARP Bolts, 12-Point Head, Stainless 300, Polished, 3/8-24 in. RH Thread, 2.250 in. UHL, Set of 5

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ARP M12 X 1.50 Ss Self Locking 12pt Nut

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