ARP Pro Series Cylinder Head Stud Kit Gen III/IV LS 2004 & Later CA625, 234-4314

ARP Pro Series Chevy Gen III/IV LS series (not including LS9), Custom Age 625+, 12pt Cylinder Head Stud Kit.

**This kit is for 2004 & later that accepts all the same length studs**

With a 260,000psi+ tensile strength rating, these ARP CA625+ head studs are the ultimate fastener on the market for keeping your high-powered LT engine sealed up. 

Custom Age 625 Plus is a recently formulated super-alloy that demonstrates superior fatigue cycle life, tensile strength and toughness - with complete resistance to atmospheric corrosion and oxidation. ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+. Typical tensile strength is 260,000-280,000 psi.

Kit Installation Instructions can be found here.