The ULP (Ultra-Low Profile) back surprise tower accommodates the upper clamps with centering pins. Centering pins enable completely fitment associated with surprise towers in the top clamps into the identical position each and every time, hence helping eliminate tweak . CNC-machined from 3.0mm thick premium-grade graphite product to guarantee maximum energy and longevity. The surprise towers are super little, lightweight, and very compact. The ULP (Ultra-Low Profile) surprise tower is 4mm lower than the SLP (Super-Low Profile) surprise tower to increase the advantages of the ULP shocks, and to produce an ultra-low profile that helps move the CG only possible. Recommended for low-to-very high traction track conditions.