"How to" Install & Set Up TMR Customs Dana 60 King Pin High Steer Arms

If you’re building a hardcore off-road rig, you already know the Dana 60 is the go-to axle for strength and performance. But even the best axle won’t steer right without properly installed high steer arms. At TMR Customs, we design our King Pin Dana 60 Double Shear High Steer Arms to handle serious abuse — but proper installation is critical for peak performance and safety.

We get frequent questions about setup, so we asked our resident expert AC to break down the essential tips and tricks for installing these high steer arms. Whether you’re tackling rocks, mud, or full-send trail days, follow this guide for a trouble-free install.

AC - "Something I wrote many years ago for Pirate 4x4, in a nutshell the knuckle isn't fully seated on the inner c/king pin preventing the bushing from seating correctly. 

The king pin bushing should sit inside the knuckle and not above it.  If it is not then the knuckle and bushing are not fully seated.  The machined void in the high steer arm is for the preload washer only.

When I am personally installing a set of these arms, I use a jack under the lower kingpin to hold the knuckle up.  Then insert the upper kingpin bushing into the knuckle.  If it doesn't drop right in then I use a large socket and a mallet to "tap" the bushing into place allowing it to seat.

Also another issue is that if you are using a bronze bushing with a roll pin the roll pin can offset the bushing creating seating problems.  Also the bronze bushing never being offered from the factory and produced by multiple different companies sometimes there are manufacturing differences.  I ran 40's on my setup and replaced the 30 year old original plastic ones with bronze, ran those for a year then switched back to the OEM plastic ones which are still going 14 years later with 100's of wheeling trips and 1000's of road miles. I could never get the correct steering feel out of the bronze ones and had to use a pneumatic grease gun to keep them quiet.   

Here are some threads showing fitment issues with bronze bushings from back in the day..."

https://www.pirate4x4.com/threads/bronze-kingpin-bushing-fitment-issues.2497313/

https://www.pirate4x4.com/threads/reid-racing-bronze-kp-bushing-with-crane-knuckle.1461418/

https://www.pirate4x4.com/threads/chevy-dana-60-reid-outers-reid-bronze-bushings-artec-high-steer-arm-assembly-issues.1014055/

https://www.pirate4x4.com/threads/d60-bronze-bushings-w-new-knuckles-assembly-issues.1990866/