Main Stud Kit for Buick 400-430-455 cid (12 pt nuts)

Main Stud Kit for Buick 400-430-455 cid (12 pt nuts)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

large underhead radius and rolled threads for the utmost in reliability

The studs are sold in 4 or 5 packs and are cadmium plated for extra durability

They have a tensile strength of 190

they are the best on the market today

you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned – somethingthat won’t happen with inferior quality head studs

and monitor overall length during installation

marine and drag racing engines – including those with superchargers and/or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

Far superior to any other main bolts available for use in competition engines

It costs a lot more to do it this way

Higher Performance Series: Made of 8740 chrome moly forgings and heat-treated to 180

When the bolt hasstretched the specified amount

enabling the rotationof an engine with any 1/2