Cylinder Head Stud Kit for Dodge 3.9L (4BT) Cummins Custom Age 625+

Cylinder Head Stud Kit for Dodge 3.9L (4BT) Cummins Custom Age 625+It 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

12-point head design and larger than stock shank diameter for increased strength andimproved flywheel register

HIGH PERFORMANCE SERIESHigh Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing

choice of hex or 12-bolt head

5® (AMS5844): While similar to Inconel 718

ARP’s Oil Pump Primer Kit lets you spin the oil pump with a drill motor and bring up the oil pressure prior to starting the engine

and come in your choice of black oxide finished chrome moly or rust-proof stainless steel

or use the chart on page 25 of thiscatalog for ARP fasteners

Nuts not included

Look forARP stamped on each stud as your assurance of quality

including use of a premium grade chrome moly alloy

Please check our dedicated diesel site – ARPdiesel

Ford GM 10- & 12-bolt rear ends to the beefy Strange differentials found in Top Fuel and Funny Car applications