ARP fasteners 12-Point Nut, Chrome Moly Black Oxide AR300-8329 Product:5/8" UNF Thread, 13/16" Socket (2-Pack) High Tensile 4340 Forged Material

High Tensile 4340 Forged Material for Durability

Base Flange: 5-1/8" (130mm)

9" Air Cleaner Base

25 Thread x 1

ARP fasteners 12-Point Nut, Chrome Moly Black Oxide AR300-8329 Product:5/8" UNF Thread, 13/16" Socket (2-Pack) High Tensile 4340 Forged Material12 Point Nut, Chrome Moly Black Oxide5 8" UNF Thread, 13 16" Socket (2 Pack) Brand: ARP Part Number: AR300 8329 Description: Available in a variety of sizes to suit your needs, all ARP 12 point nuts are constructed from 8740 chrome moly steel or ARP Stainless, and meet ARP's highest standards of quality. Rated at 180,000 psi tensile strength, ARP 12 point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall