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, 8740 Chromoly, Black Oxide, 12-Point Head, 1/2-13 in. Thread, 3.25 in. UHL, Set of 5

ARP Bolts, 8740 Chromoly, Black Oxide, 12-Point Head, 1/2-13 in. Thread, 3.25 in. UHL, Set of 5

$56.49

ARP Connecting Rod Bolts, High Performance Series, 8740 Chromoly Steel, AMC, 258, 6-Cylinder, Set of 12

ARP Connecting Rod Bolts, High Performance Series, 8740 Chromoly Steel, AMC, 258, 6-Cylinder, Set of 12

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MILODON Main Studs, 2-Bolt Main, For Chevrolet, 350, 400, with Windage Tray, Kit

MILODON Main Studs, 2-Bolt Main, For Chevrolet, 350, 400, with Windage Tray, Kit

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ARP Rocker Arm Studs, High Performance, Pro-Series, 7/16 in.-20 Thread, 2.7 in. Effective Stud Length, Kit

ARP Rocker Arm Studs, High Performance, Pro-Series, 7/16 in.-20 Thread, 2.7 in. Effective Stud Length, Kit

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ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 3/8 in.-16 Thread, 180000psi, Set of 2

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 3/8 in.-16 Thread, 180000psi, Set of 2

$6.96