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ARP polished 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. Hex head and 12-point types are available and washers are included.

Set of 10. These bolts have a 4.480 in. under head length.