King 2.0 Emulsion Coilovers come pre-tuned from AccuTune Off-Road.  Every 2.0 King Coilover is tuned using our own engineering equations to provide the best performance for your vehicle and your terrain. Emulsion 2.0 King Coilovers are a huge improvement over separate shocks and springs because they allow for dual rate springs with better bottoming control, and longer travel. Step-up to Pre-Tuned King 2.0 Emulsion Coilovers from AccuTune Off-Road.