This kit upgrades the function of the compression leg of a WP X-PLOR fork.  The original configuration lacks low-speed compression adjustability (fixed shims setting with no bypass) and the OE mid valve is not efficient in controlling high-speed, high-flow compression strokes. Our kit brings low-speed adjustability with a new base valve equipped with a bypass circuit controlled by ports and additional shims to upgrade the OE compression stack to offer better control.  It also includes a new mid valve with completely different internals designed to offer a more traditional high speed flow control through piston ports and a shim stack.