One frame containing composite parts (except pistons) for 2 T4 & X4 ULP aluminum surprise absorbers. These shock parts function the upper surprise cap with a hole allowing for faster, easier and much more comfortable shocks rebound modification. Updated for the X4, with 2 vent holes inside top cap, in the place of 1. This will make for a more predictable and forgiving maneuvering and improves traction.