ARP 1/2-20 Wrench Nut Kits

ARP manufactures fasteners from a wide assortment of materials ranging from popular stainless steel and 8740 chrome moly to exotic alloys that have been developed to handle space travel.

Head studs and bolts, main studs and bolts, and driveline - have been designed stronger than ever before to handle the extreme loads. 

Design and engineer fasteners specifically for racing.

ARP 301-8333 1/2-20 11/16 socket 12pt nut kit