Here you can buy a used / damaged Fox RP23 Boostvalve. Length is 7,75" and stroke 2.0". It has square mount (Specialized fitment only!). It is OEM shock from Specialized Stumpjumper EVO 2010-2011. No cracks, all threads are good. It is for spares or repairs. Shaft has some small scratches / indentations (all marked in red and shown in photos). I think that shaft is not usable in such condition. If You want to use it, than at Your own risk.