1989-1998 Cummins 5.9L Gator Fasteners HD Main Stud Kit (MSK5912)1989 1998 Cummins 5. 9L Gator Fasteners HD Main Stud Kit (MSK5912) Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 12 Valve 5. 9L together whether you're building a tow rig, race truck or just a daily driver. Will not fit 1997. 5 and later trucks with 12mm studs. If your not sure, see the image showing the turbo oil drain ports. 14mm engines have one port while 12mm engines have two.

sprockets and tensioners

2015 - 2019 | 6

Upgraded 10 Blade High Flow Turbine Wheel

Improved Boost Control

2017-2023 Duramax L5P Dirty 3

This kit fits the 2004

This is the perfect realization of "bigger is not always better"

this tune file permanently disables the factory DOD/AFM system

2017-2019 Powerstroke 6

The 2017-2023 6

Brand: MAHLE Original

HP Tuners MPVI3 (Required for tuning)