ARP Mainstud kit for all 2005 -2010 3V ALUMINUM blocks with factory 8 stud windage Tray For ARP sidebolts see PN#400025D FACTORY BOLTS CANNOT BE RE-USED (they are a torque to yield style) and must be replaced everytime they are removed. Includes all 20 studs, washers and 12pt nuts with ARP lube.