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 Bolts, Hex Head, Stainless 300, Polished, 1/4 in.-20 RH Thread, 1.250 in. UHL, Set of 5

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.725 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.725 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Each

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Wilwood Bolt, Hex Head, Alloy Steel, Grade 8, Hex, 3.000 in. Length, 7/16-20 Thread, Kit

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ARP For Buick balancer bolts

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ARP Air Cleaner Stud/Nut, Stainless Steel, 1/4 in.-20 Thread, 2.7 in. Length, Each

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ARP Bolts, Stainless Steel 300, Polished, Hex Head, 12mm x 1.75 Thread, 25mm UHL, Set of 5

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