KW Update and Refurbishing Service for our S13 Drift Grip Project Car!

The separator piston is now installed.  It is greased up before installation.  This piston keeps the gas separated from the oil in the shock.

The piston is installed in the remote reservoir.

Next, the Schrader valve is installed into the reservoir’s end cap.

The end cap is tighted down.

Next, the hose for the remote reservoir is installed onto the body of the shocks.

This special long tool is used to tighten the nut that holds the hose to the shock body.

Here is the nut being tightened.

The other end of the hose is attached to the remote reservoir.

It screws on and is tightened as so.

Now the front strut is ready to be filled with hydraulic fluid.


  1. What’s always interesting is seeing how different KW’s valve design philosophy is compared to the Bilstein/Ohlins/Penske/etc deflective disc pistons… but obviously it works, and works well. Cool that they’re doing rebuilds in-country too, thank you for sharing all of this.

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