Cylinder Head Stud Kit for Chrysler 5.7L/6.1L Hemi

Cylinder Head Stud Kit for Chrysler 5.7L/6.1L HemiIt 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

premiumgrade aerospace chrome moly steel

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

especially if the engine has been modified

A “must” for any serious engine builder

self-locking nuts

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

and female O-ring types

low-profile design

and -6 thru -20 O-ring sizes

It’s the fastener of choice

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate theneed for valve train removal during cylinder head retorquing

They’re nominally rated at 180