Main Stud Kit for Chevrolet Chevy Duramax 6.6L (LBZ/LMM) (2006 & later)

Main Stud Kit for Chevrolet Chevy Duramax 6.6L (LBZ/LMM) (2006 & later)There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place. The studs

For the most severe applications

Finish 2: Black

000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel-ground washers

Many professional engine builders prefer to use studs because of their ability to properly position the gasket and guide the cover into position

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

It must be kept well-oiled and not exposed to moisture

It’s the fastener of choice

000 psi bolts that let you exert maximum clamping force

come in five different O

You will note that ARP studs feature a special “bullet nose” to guide the nut accurately into place

threadpitch to thread pitch

ARP has developed these ultra strong 190