Cylinder Head Stud Kit for Chevy 4-cylinder hex

Cylinder Head Stud Kit for Chevy 4-cylinder hexIt 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

as well as protecting the threads in your engine block

They run-in straight and true

All of them are substantially better than the stock OEM and most aftermarket bolts

and designed for use in competition engines

Studs and bolts come either black oxide chrome moly or polished ARP Stainless

High 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

Specially drilled “NASCAR” models are available for those who wish to safety wire their header bolts to prevent loosening

They are both forged from aerospace alloy and heat-treated prior to thread rollingand machining

That’s whythe fastener experts at ARP have developed special bolts that are far superior to OEM hardware

all ARP main bolts feature a reduced renching head

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

ARP has developed these ultra strong 190