Cylinder Head Stud Kit for Pontiac Super Duty 4 cylinder with “Iron Duke” head

Cylinder Head Stud Kit for Pontiac Super Duty 4 cylinder with “Iron Duke” headIt is for good reason that virtually every top professional enginebuilder relies on ARP Pro Series head studs for their all out competitionpowerplants. Simply stated, theres not a better stud setupon the market today. For openers, ARP only uses premium grade 8740 alloy anda proprietary ARP2000 alloy that are rated far superior to aircraftquality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat treated to

These ultra heavy-duty rod bolts are made from a special material designated ARP2000

quench and temper steels – L19 requires special care to avoid hydrogen embrittlement

and designed for use in competition engines

Features an exclusive 12-point cap screw design and appropriate grip length per the application

marine and drag racing engines – including those with superchargers and/or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

Studs are preferred by many Pro engine builders because they eliminate the chance of pinching gaskets and contribute to easier engine assembly

Because there are fairly wide tolerances in factory bolt holes

and rear axle housings

valve covers

Simply stated

This material is easily contaminated and subject to stress corrosion

Build up an inventory of these premium quality washers so you won’t get caught short when the need arises