The Wehrs machine roller bearing coilover eliminator has lots of new trickery on the new dual bearing spring slider. Wehrs uses a linear ball shaft bearing instead of bronze bushing along with a shaft stabilizing internal piston for the smoothest and most stable slider on the market. The spring cup opposite the adjusting nut is quickly removed with a clip, so you don’t have to unscrew the nut to remove the spring. Also a four position locking mechanism for fine tuning. Wehrs put a Torrington bearing on the adjuster nut so you can adjust it easy so the spring works freely throughout its travel. Great for the left rear for increases chassis hike.