ARP fasteners 12-Point Nut, Chrome Moly Black Oxide AR300-8390 Conrod Bolts This high calibre rear main

This high calibre rear main gasket and rear crank seal is great when rebuilding an engine or your rear main is leaking which is a common issue with GM LS engines

Chrome Moly Black Oxide10mm X 1

Valve Stem Diameter: 8mm

12-Point S/S Nut

Wide Underhead Flange And Companion Washes Provide Even Load Distribution

ARP fasteners 12-Point Nut, Chrome Moly Black Oxide AR300-8390 Conrod Bolts This high calibre rear main12 Point Nut, Chrome Moly Black Oxide6mm X 1. 00 Thread, 8mm Socket (10 Pack) AR300 8390 300 8390 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