Main Stud Kit for Chevrolet 400 cid with windage tray & splayed cap bolts

Main Stud Kit for Chevrolet 400 cid with windage tray & 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

which gives themabout 2000% (that’s twenty times) better fatigue strength thanthose studs that are threaded prior to heat-treat (a very commonindustry practice)

Both models feature a large diameter

enabling the sleeve to float

which is substantially stronger than the OEM bolts

000 psi and precision machined for optimum thread engagement

unique oil pan studs

as are some of the more popular metric sizes

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

Both are available in black oxide finished chrome moly steel or polished ARP Stainless

Pro Series kits are available in standard (8740) 190

heat-treating to 190

increments