CST Tubular Dirt Series Uniball UCA Kit, 2019-2024 LM2/LZ0

Part# CSS-C2-18

$769.95 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2019 thru 2024 Chevy Silverado/GMC Sierra 1500 LM2/LZ0 Duramax Diesel

California Super Trucks Performance Suspension designed these new UCA's for extended travel and increased strength. They are constructed from 1026 DOM Seamless Tubing and are CNC mandrel bent and professionally MIG welded. The top sealed uniball cup is made to keep dirt and debris out of the joint to maximize the life of the uniball joint. These control arms are finished in a superior two stage gloss black powdercoat to guard against the elements. With the greaseable two stage bushing pivots you wont have any squeaking from the polyurethane bushings. 


  • 1026 DOM seamless tube construction.
  • CNC Mandrel bent.
  • Professionally Mig welded.
  • Exclusive sealed-top uniball cup to keep dirt out and maximize uniball life!
  • 1″ FK PTFE lined stainless steel uniballs maximize potential suspension travel!
  • 17-4 stainless steel CNC machined taper pins.
  • 17-4 stainless steel hi-misalign spacers provide corrosion resistance & O.E.M. like fitment.
  • Greaseable two stage polyurethane bushings pivots.
  • Superior two stage gloss black powder-coat finish.
  • Control arms paired with coilover shocks provide up to 2.5 inches of added wheel travel!
  • CST Superior fit, function and finish. Made in the U.S.A.


  • Includes Left and Right Upper Control arms with Bushings, Ball joints, and Hardware.