ARP fasteners 12-Point Nut, Polished S/S AR400-8321 Product:5/16" UNF Thread, 3/8" Socket (2-Pack) Mounting Bolt Pattern - 5

Mounting Bolt Pattern - 5 x 2

Aeroflow air filter assemblies work with all popular standard 4150 (5-1/8" / 130mm) carburettors and 4500 Dominator (7-5/16" /186mm) carburettors

Thread Chaser Cleaning TapsM11 x 2

andthe position the wastegate sits in

1/2" Socket (2-Pack)

ARP fasteners 12-Point Nut, Polished S/S AR400-8321 Product:5/16" UNF Thread, 3/8" Socket (2-Pack) Mounting Bolt Pattern - 512 Point Nut, Polished S S5 16" UNF Thread, 3 8" Socket (2 Pack) AR400 8321 400 8321 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 versions for applications with limited space