Dodge 3.9L 4BT Heavy Duty Main Stud Kit Gator Fasteners Powerstroke 6.7 The TapShifter can be used

The TapShifter can be used in the gas or diesel 2001-2002 pickups with an Allison Transmission

and even improve fuel mileage by roughly 1 MPG

Aluminum Tube with Raw Finish

You'll enjoy the spool up and throttle response of a small turbo and still get the big top end power you're looking for

These are also a hot street injector

Dodge 3.9L 4BT Heavy Duty Main Stud Kit Gator Fasteners Powerstroke 6.7 The TapShifter can be usedDodge 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: