Main Stud Kit for Mazda 2.3L DOHC 16V (2003 & later)

Main Stud Kit for Mazda 2.3L DOHC 16V (2003 & later)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

Fittings are available with female pipe threads

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

000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel-ground washers

PROFESSIONAL SERIESAll Pro Series bolts are cold-forged to ensure molecular integrity

Higher Performance Series: Made of 8740 chrome moly forgings and heat-treated to180

square drive forged into bolt head

High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing

and monitor overall length during installation

It costs a lot more to do it this way

Simply stated

000 psi for the ARP2000® material

If there is a permanent increase of