Main Stud Kit for Volkswagen/Audi Audi 5-cylinder (except 3B & AAN engines)

Main Stud Kit for Volkswagen/Audi Audi 5-cylinder (except 3B & AAN engines)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 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

so that’s why ARP came up with these super tough bolts

in length or more

(inside diameter) chamfers

Material 2:

12-point head design and larger than stock shank diameter for increased strength and improved flywheel register

The stainless has the added advantage of being rust and corrosion resistant

It’s the fastener of choice

Whether you’re mounting your fan directly to the water pump

and come in your choiceof black oxide finished chrome moly or rust-proof stainless steel

The stud kits come complete with a special locking flanged nut

This material is easily contaminated and subject to stress corrosion