Front Driveshaft Set, CVA, Complete: 22-4Key Features Tuning Option The CVA Driveshafts allows for increased rear driveshaft lock up during acceleration which improves forward grip by reducing rear end squatting. Rebuildable Parts are sold separately. Direct replacement Fit The CVA Driveshafts fit directly into the TLR 22 4 without the need for any other parts. Overview Designed for the TLR 22 4, the CVA Driveshafts create more Bone Bind or Driveshaft Lock Up, thus reducing the suspension