Cylinder Head Stud Kit for SB Chevy undercut 12pt

Cylinder Head Stud Kit for SB Chevy undercut 12ptIt 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

The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating

They’re offered in a variety of heights to accommodate most any combination of carb and spacer

and has the retaining washer installed

Washers included

in length or more

(inside diameter) chamfers

This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturerswho just dump pieces in a basket and hope for the best

Available in black oxide finish 8740 chrome moly or polished stainless steel with hex or 12-point nuts

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

This helps prevent blown head gaskets

ARP offers a special version of its rugged 190

It’s important to note that lesser quality studsare not even centerless ground – the material is thread rolled inbar stock form (mostly before heat-treat