Pro Comp NP231 Tail Shaft Conversion Kit – 4007

Part # EXP4007

Primary Features

  • Direct Fit
  • NP231 transfer case only
  • 20% Larger mainshaft over factory shaft
  • 4 inch shorter than stock
  • California Residents: WARNING


The Tail Shaft Conversion kit for 5 Front/Rear lift height shortens the Transfer Case allowing for a 4"" longer CV Style drive shaft, improves driveline alignment, reduces bind, friction and vibration. drive shaft sold separately. Fits NP231 Transfer Case Only. Will not fit NP207 in some models.

The trails await, and you want your vehicle ready for anything. And with the right mods, it's in top shape to take on whatever the great outdoors has in store. Riders like you trust 4 Wheel Parts for all their off-roading gear, including transfer case mods such as this Pro Comp tail shaft conversion kit. With more than $100 in our extensive inventory sourced from over 600 brands, we have everything you want and need to improve your vehicle's performance, style and safety.

Your Source for World-Class Mods
Getting a smooth ride isn't just about comfort. Excessive vibration and jostling can make it difficult to safely navigate around obstacles and over tricky terrain. When you want a longer CV drive shaft, this Pro Comp tail shaft conversion kit is essential. This mod shortens an NP231 transfer case to accommodate a longer drive shaft. You significantly cut down on friction and vibration and improve driveline alignment.

Once you find and purchase your mod, you still get top-notch service and support from 4 Wheel Parts. With our six distribution centers across the country, we ship orders quickly and efficiently. And if you want your gear faster, use our Curbside and Store Pickup service when buying your gear on our website. Don't forget that we offer professional installation from our ASE-certified techs just select this option in your shopping cart.


Installation Instructions


At Pro Comp, we know you have many choices when selecting products to personalize your vehicle. You should demand nothing but the highest quality available and have total confidence that the products you selected are the best in the industry. It is for these reasons that Pro Comp Suspension products are backed by the best warranty in the industry…the Pro Comp Promise!

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