PSM YZ4 4mm Carbon Rear Shock Tower V2

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The PSM YZ4 4mm Carbon Rear Shock Tower V2 is an optional upgrade for the stock rear tower (YOKZ4-018), and offers the benefit of increased bracing on the sides for increased strength. Plus, the PSM V2 tower adds ball stud mounts directly to the tower for faster camber link tuning changes. 


  • Precision CNC machined in Germany
  • Impact resistant
  • Perfect Fit
  • PSM Carbon material is stronger and lighter
  • High quality 4mm glossy carbon material

This product was added to our catalog on September 13, 2017

Average Rating: 5
Verified Owner
Monday, Sep 25 2017 (about a year ago)
PSM YZ4 4mm Carbon Rear Shock Tower V2
YZ4 Owners, these new PSM shock towers with the integrated inner camber mounts are excellent. The quality of the CF is top tier, thus the design incorporating the inner camber mounts is excellent. Drops some weight as you can dump the inner front and rear vertical ball stud camber mounts, another huge plus is cleaning being much easier access to the outdrives and gearbox areas is opened up. The inner camber mounts allow for numerous tuning options. PSM's other option parts for the YZ4 are great, thus their lipo mounting brackets are great. Oh their rear shock tower allows for 2 height settings per your rear wing and PSM also offers 2mm CF shims, thus to mover the rear wing back farther. Very easy to mod the back of your YZ4 for better rear traction using the DTM rear bulkhead to rear rear hanger brace works great with PSM rear shock tower. (clip the DTM rear inner camber mounts off as their not needed, thus much cleaner(less clutter)/