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Pictured assembled and ready to go.

3pc tool kit includes wrench, snap ring and HD socket

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T-4500

NV4500 5TH Gear Nut Remover/Installer

Dodge/GM 5-speed cast iron ‘91-up

Why have two different wrenches to buy and keep

track of when you can kill two birds with one wrench?

Also fits 2WD & 4WD Allison 1000/2000 series

That’s what we thought so we designed our own!

Here is all you’ll need to handle the two different-size spanner nuts you’ll find when servicing the NV4500.  As usual, we have not compromised a thing; you can tell the first time you pick it up!   Weighing in at about 24oz, our heavy-duty dual spanner wrench arrives ready and able.  Design includes a provision for a ½” drive breaker-bar for removal and a torque wrench to install.

We then devised a unique socket for GM’s 4X4 app:

Many use a vibration dampener that will not allow the wrench to access the nut. With the torque specs this high it absolutely must be burly to stand up to repeated use. The 4-notch design spreads out the load while maintaining stability. Milled from super tough steel, this will be in your tool box for many years!

The T-4500 is designed with “pass-through” capability. Why “pass-through” capability, you ask?  As an intended bonus,  the hollow socket allows clearance for the output shaft enabling this combo to handle the 2wd & 4wd Allison 1000/2000 series!

Many GM 4X4’s use a vibration dampener, (mainly diesels) requiring the use of a hollow socket to reach in to access the nut.  

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