Main Stud Kit for Nissan/Datsun 2.5L (RB25DET) & 2.6L (RB26DETT) inline 6 ARP2000

Main Stud Kit for Nissan/Datsun 2.5L (RB25DET) & 2.6L (RB26DETT) inline 6 ARP2000There 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

ARP manufactures a variety of special application-specific bolt and stud kits

We recommend you maintain a chart of all rodbolts

each stud is centerless ground to makeit as close to perfectly concentric as possible

Studs and bolts come either black oxide chrome moly or polished ARP Stainless

ARP uses a unique manufacturingprocess where the alignment sleeve is roll formed onto the shaft(not welded or pinned)

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

heat-treated in-house to 190

but are not limited to: oil or fuel tanks

That’s whythe fastener experts at ARP have developed special bolts that are far superior to OEM hardware

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

Not to be usedwith OEM-style

ARP has developed these ultra strong 190