Dodge 3.9L 4BT Heavy Duty Main Stud Kit Gator Fasteners Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your Cummins 3.9L 4BT together whether you're building a tow rig, race truck or just a daily driver.
These fasteners have a much higher strength and will not stretch like the factory bolts will. The Gator Fasteners Performance Main Studs are a Heavy Duty studs designed for stock to built 5.9L Cummins engines.
Details:

Diesel Cummins
3.9 Liter
Steel
Powdercoat Black
Kit