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5/16-18 x 4 1/2 ARP 12 Point Stainless Bolt


SKU: 31A12R4.5 Category:


This bolt has a .630 diameter flange and a 3/8 12 point head. ARP grade 8 stainless bolts, studs, and nuts are virtually impervious to rust and corrosion. Rated at 170,000 psi makes these stronger than regular grade 8 fasteners. These are maintenance free fasteners and come with a polished finish.


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