Main Stud Kit for Chevrolet 400 cid with windage tray

Main Stud Kit for Chevrolet 400 cid with windage trayThere 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 serrated lock nuts to position the windage tray and lock it securely in place. The studs

They’re offered in a variety of heights to accommodate most any combination of carb and spacer

This is a premium steel that is processed to deliver superior strength and fatigue properties

and is capable of more than 12

and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others

and meet theARP “ZERO defect – ZERO failure” quality standard

The parts are CNC machined from solid aluminum billet (6061) or 1018 mild steel

Look forARP stamped on each stud as your assurance of quality

It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of 220

as well as hex or 12-point heads

Finish: Cad

Prevent intake manifold leaks with ARP’s quality fasteners

but the results are well worth the extra effort