10/04/2026
Let’s discuss some suspension geometry on the WK2. A lot of people just don’t understand how it works. I’m constantly asked- “Why are my 5/8” lift spacers only 1/4” thick??”. Geometry, that’s why…
There’s simple math that goes into lift spacers. 3 main locations to consider- The pivot point at the LCA (stays stationary), the. Lower ball joint location, and the coil location on the LCA.
If the coil location was directly located at the lower ball joint location, the lift spacer measurements would be a direct 1:1 ratio. Meaning a 3” thick spacer would translate to a 3” lift. This is not the case for any lift, on any vehicle.
The front suspension of a WK2- The coil is located approximately 2/3 of the way away from the LCA pivot point. This means that a 2” thick spacer will achieve 3” of lift. A 2:3 ratio. A 1/4” spacer = 5/8” lift, a 1/2” spacer= 1 1/4” of lift, respectively. So ordering a 5/8” lift spacer means you receive a 1/4” thick spacer that achieves 5/8” of actual lift once installed.
The Rear suspension of the WK2- The Coil is located approximately 1/2 way between the LCA pivot point and the lower joint. Giving a ratio of 1:2. A 1/4” spacer translates to 1/2” of lift. So with our rear adjustable kit, every 1/4” spacer added will translate to 1/2” of lift. To achieve 3” of lift in the rear, you’ll add 1 1/2” of spacers.
Our kits run true. Meaning if you order a 5/8” lift shim set, your end result will be 5/8” of lift (regardless of the actual thickness of the shim). I don’t any customer would order a 5/8” thick shim, not knowing how much actual lift they get from it. Actual lift height is more important than the actual thickness of the shim. End results matter more than what it takes to achieve it.
I hope this sheds some light on why your shims & spacers measure out to less than the advertised lift height. Install them, then measure the gained height. You’ll find that what you bought, does in fact measure out to the height you gained.
With the exception of a few companies who make lift kits with improper geometry measurements and your actual lift height falls short of the advertised lift height. But don’t worry, with 6M spacers, our measurements are true. A 3” kit (even if it physically measures 2” tall) will achieve an actual 3” of lift once installed.
