Main Stud Kit for Pontiac Super Duty 4 cylinder - cast block

Main Stud Kit for Pontiac Super Duty 4 cylinder - cast blockThere 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 offers High Performance Series bolts that aremade from a premium grade chrome moly and hardened to a nominal tensile strength of 180

in length or more

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

Material: ARP2000

which makes for amore consistent clamping force – and one that compensates forhead gasket compression when the cylinder heads are installed

It is primarily used in short track and drag racingapplications where inertia loads exceed the clamping capability of ARP2000

Nuts not included

NOTE: Not to be used with OEM-style

Material: Stainless Steel

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

Because of this

The stud kits come complete with a special locking flanged nut