1998.5-2007 Cummins 5.9L Gator Fasteners 5.9L HD Main Stud Kit (MSK5924)

Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 24 Valve 5.9L together whether you're building a tow rig, race truck or just a daily driver.

Will not fit early 1997 and older trucks with 14mm studs. If your not sure, see the image showing the turbo oil drain ports. 14mm engines have one port while 12mm engines have two.