ARP stainless steel intake manifold bolts are 15 percent stronger than Grade 8 steel bolts and have a wide-area flange for better load distribution. They also have precision-rolled threads, which prevent galling and promote more consistent torque loading. These bolts are both corrosion and heat-resistant and come highly polished. Bolts are available in both hex head and 12-point types, and washers are included.

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ARP Bolts, 12-Point Head, Stainless 300, Polished, 8mm x 1.25 RH Thread, 80mm UHL, Set of 5

ARP Bolts, 12-Point Head, Stainless 300, Polished, 8mm x 1.25 RH Thread, 80mm UHL, Set of 5

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Wilwood Bolt, Hex Head, Alloy Steel, Grade 8, Hex, in. Length, 5/8-11 Thread, Kit

Wilwood Bolt, Hex Head, Alloy Steel, Grade 8, Hex, in. Length, 5/8-11 Thread, Kit

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

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

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ARP Bolts, 7/16-20 X .875 1/2 12Pt Black Oxide

ARP Bolts, 7/16-20 X .875 1/2 12Pt Black Oxide

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ARP Cylinder Head Stud, Pro-Series, 12-point Head U/C Studs, For Chevrolet BB, 454-502, Mark V/ Mark VI w/ Brodix/Canfield Heads, Kit

ARP Cylinder Head Stud, Pro-Series, 12-point Head U/C Studs, For Chevrolet BB, 454-502, Mark V/ Mark VI w/ Brodix/Canfield Heads, Kit

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