The Arcadeshop kit is just replacements of the original parts. You don't want that.
What you want is a Zeroplay kit, which replaces the original shaft and axle with a new one that has bearings, so there is no slop, and there never will be.
See here for the kit. You have to order from the UK, and the shipping is costly, but these kits are worth it:
jbgaming manufactures custom arcade machines in the UK. We developed our Quick Swap Panel System to allow for an authentic gameplay experience with precise controls in the correct location. Our Rotary Screen model is the ultimate all in one arcade machine.
www.jbgaming.co.uk
Here's an example of the sticks I used to sell with these kits installed:
I have another refurbished Williams 2-way stick available, with Zeroplay kit installed. This is the stick used for Defender, Stargate, Moon Patrol, and other games. (You can also use a pair of them for Ice Cold Beer). This stick has an original base and shaft, but has been completely cleaned...
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