Main Stud Kit AR156-5901 Nitrous Filters Stylish and functional CNC machined

Stylish and functional CNC machined from Billet 6061-T6

AF9557-1011

AF150-30CH

AF400-10-4

1/4" NPT thread into injector hat

Main Stud Kit AR156-5901 Nitrous Filters Stylish and functional CNC machinedMain Stud KitSuit Ford Modular V8 4. 6L & 5. 4L 3V with Windage Tray AR156 5901 156 5901 There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with