2039 - 1982-2002 GM F-Body On-car Adjustable Control Arms- Poly/Roto-JointSpanner Wrench This spanner wrenched is used for adjusting and disassemble of Roto Joints used in all UMI Performance products. Over time if the delrin race inside the Roto Joint would wear the spanner wrench is used to tighten the adjusting ring applying more pressure to the delrin inside. The spanner wrench is also used to disassemble the Roto Joint for cleaning, inspection and rebuilding.

Mitsubishi MZ320106

and Sundstrand piston pumps

Mendeola transmissions and Atlas transfer cases for Off Road

The combination of the spherical rod end and polyurethane bushing eliminates rear end "bind" without compromising ride quality

heat-treated solid adjuster

We have another entry in this S550 Suspension section for the various coilover spring options

4 quarts - 572 ppm - 690 ppm

ride improvement and most importantly

The 1/8” thick laser cut UMI P/N 4055’s are designed and manufactured in Philipsburg

we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated

Improves clutch operation while reducing wear and temperature

as there are very small orifices that must be kept free of debris