Simply stated, there is not a better main stud kit on the market then the ARP 247-5402 Dodge 5.9L Cummins Diesel Main Stud Kit.
ARP2000 is an alloy steel that can be safely heat treated to a higher level, producing a greater strength material than the ARP 8740 alloy. While 8740 and ARP2000 share similar characteristics, the ARP2000 is capable of achieving a clamp load at 220,000 psi.