ARP 247-5404 Diesel Main Stud Kit

The ARP 247-5404 Diesel Main Stud Kit will strengthen the bottom end of your modified 3.9L 4BT Diesel. These main studs feature the ARP 2000 Material which is a high-strength steel that allows these studs to handle up to 220,000 PSI tensile strength. Each stud is heat-treated and centerless ground before rolling the threads and final machining.  Chrome moly 12-point nuts and hardened chrome-moly washers that are parallel ground are included in this kit. All components in this kit are treated with a black oxide coating for corrosion resistance and a 1/2 Oz. Ultra-Torque Assembly Lube is included.