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- Ford Barra XR6
- XR6 ARP custom age 625 + head studs.
Product Description
What is the difference between ARP2000 and Custom Age 625+ studs?
ARP2000 is an alloy steel that has a tensile strength of 220,000 PSI. Custom Age is an austenitic alloy that has a tensile strength of 260-280,000 PSI, providing a greater clamping force than that of ARP 2000.
