Main Stud Kit for Pontiac 3800 V6 supercharged (1999 & later) (hex)

Main Stud Kit for Pontiac 3800 V6 supercharged (1999 & later) (hex)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

You can choose between black oxide finished 8740 chrome moly or corrosion-resistant stainless steel

12-point head design and larger than stock shank diameter for increased strength andimproved flywheel register

This is a premium steel that is processed to deliver superior strength and fatigue properties

with handy 12-pointor standard hex heads

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

or use the chart on page 25 of thiscatalog for ARP fasteners

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

making it ideal for the pplication

Our kits come in 8470 or polished ARP Stainless and cover spacers up to 3

When the bolt hasstretched the specified amount

the shaft diameter is a larger diameter than the OEM unit

ARP offers studs and bolts in a choice of chrome moly steel with a black oxide finish or polished ARP Stainless