Main Stud Kit for Oldsmobile 455 cid

Main Stud Kit for Oldsmobile 455 cidThere 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

rated at 190

drive toolMade from heat-treated 8740 chrome moly steel withheavy-duty black oxide finish

We recommend you maintain a chart of all rodbolts

For openers

and is capable of more than 12

The less drag on the motor

The studs are manufactured from 8740 chrome moly steel

ARP has developed special pressure plate bolts that are applicationspecific to ensure the optimum grip length

Hardened parallel-ground washers are included in each kit

A hollow core serves to reduce the reciprocating mass

This procedure (done only to the shorter studs)more equalizes the “stretch” of both studs

Finish 2: Polished