ARP Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - 6.6L GM Duramax JMS They replace soft OE differential

They replace soft OE differential bushings with polyurethane differential bushings

Retainers and locks are black oxide coated

Deluxe kits feature push lock fittings to ease installation

2010-2007 Chevrolet Pickup - Silverado 2500HD 3/4 Ton

ARP Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - 6.6L GM Duramax JMS They replace soft OE differentialProduct Description: Cylinder Head Stud Kit 12 Point Nuts Chromoly Black Oxide 6. 6L GM Duramax ARP is the fastener of champions. They say that to be successful you must identify a need and satisfy it. Back in 1968 racing enthusiast Gary Holzapfel saw that many of his friendsa broken engines were caused by fastener failure. At the time, there were no commercially available studs and bolts up to the challenge. So Holzapfel called upon his many years of