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

Main Stud Kit for Pontiac Super Duty 4 cylinder - mag 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

these knurls cut deep into the bolt material

ARP’s special drive plate bolts have many important features

self-locking nuts

ARP Pro Series head bolt kits are application specific and designed to deliver superior strength typically associated with competition engines

Increased material strength overcomes valve train harmonics and stress

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

Precision rolled threads prevent galling while promoting more consistent torque loading

but are not limited to: oil or fuel tanks

These premium grade bolt and stud kits are engineered to properly engage the engine block threads and resist loosening

The stainless has the added advantage of being rust and corrosion resistant

Developed for racers who leave nothing to chance

They’re made from premium grade aerospace chrome moly and centerless ground to precise diameter