The YETI XDDraglink and Tie Rod Cap-Cap covers the spun cap of the draglink or tie rod end.
Step 1: Remove zerk fittings from ends.
Step 2: Put gaskets on the forged ends (Thicker gasket goes on the passenger side for tierod and draglink)
Step 3: Place cap cap on rod end tighten zerks back down.
Repeat steps for all ends.