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Steering Shaft Heavy Duty U-Joint Shaft M715 / M725

$275.00
Part Number:
12-4008-M715
Shipping:
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Product Details

Heavy duty steering shaft replaces the stock shaft and rag joint with heavy duty u-joints. Bottom u-joint has built in vibration dampener for comfort.

This only fits if you've converted your steering box to a 1977-1991 Full-Size Jeep

You must modify your steering column -- which is 3/4" round -- to 3/4" DD like this write up:

http://www.m715zone.com/vb/showthread.php?t=12635

 

 

**Note: If you will be installing one of our upgraded Flaming River Steering Columns, you must contact us for a custom version shaft as the Flaming River Column will require a different upper joint than what ours comes with.

 

  • Fits M715 and M725
  • Models All with Power Steering Conversion with 1977-91 FSJ Box
  • Components by Borgeson
  • Made in the USA


Reviews (1)

  • M715 install
    5

    Posted by Joe on Feb 19th 2026

    the new shaft is very nice and modern OE grade! It was easy to make the needed modification to the M715 column to receive this shaft. It's nice and tight now and I don't have to worry about the boot on the upper joint failing anymore. I'd recommend this part to anyone modifying their M715 steering. BJ's support was also excellent!