From Team Associated:
The V2 CVA Upgrade Kit gives you all the parts you need to switch to the new CVAs. Also available are spare parts for the #7267 V2 CVA Upgrade Kit — these parts are not interchangeable with the stock parts.
For the Team Associated ProSC 4×4, ProLite, and ProRally.
#7267 – V2 CVA Upgrade Kit
#7264 – V2 CVA Bone, for #7267
#7265 – V2 CVA Axle, for #7267
#7266 – V2 CVA Coupler, for #7267