Main Stud Kit for Buick V6 Stage II with splayed cap bolts

Main Stud Kit for Buick V6 Stage II with splayed cap boltsThere 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

Install an ARP cam bolt kit and end your camshaft timing worries

and has the retaining washer installed

They have a tensile strength of 190

wide area washer and an extra tall 12-point head that accepts a deep socket and eliminates the worry ofstripping the head

It is the most accurate wayto determine the correct pre-load in the rod bolt

To cure this all-too-common problem

the correct preload

ARP’s Pro Series rocker arm studs are made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190

All Pro Series head bolts have are reduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate the need for valve train removal during cylinder head retorquing

You will note that ARP studs feature a special “bullet nose” to guide the nut accurately into place

All critical shear points feature a large radius for improved reliability and maximum load carrying capacity

Pro Series kits are available in standard (8740) 190