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.
Washers are included.FeaturesFastener Style - BoltHead Style - HexFastener Material - Stainless steelFastener Finish - NaturalWashers Included - YesYear - 1979-1990Engine Size, 6.5L/396, 7.0L/427, 6.6L/402, 7.4L/454

