SKYJACKER NITRO SHOCK SET FRONT AND REAR FITS:JEEP 07-15 Wrangler JK 2-Door & 4-Door 4WDFRONT LIFT HEIGHT:1-3.5 inFRONT EXTENDED:22.75FRONT COLLAPSED:13.54REAR LIFT HEIGHT:2-3.5 inREAR EXTENDED:25.35REAR COLLAPSED:15.05FITNOTE:Nitro 8000 shocks feature a nitrogen gas filled chamber that is pressurized to 150 PSI. Multi-stage velocity sensitive valving creates an immediate response, meaning a more comfortable and stable ride. Each Skyjacker shock features twin tube construction, along with an over-sized piston head with a 14mm piston rod. All Nitro 8000 shocks include the patented Skyjacker red boot. The performance specific internal components of Skyjacker's shocks respond to the on- and off-road conditions instantly. Whether you are going over rough or smooth terrain at slow or fast speeds, the true velocity sensitive valving produces a stable, controlled level of resistance for better handling, improved stability, and maximum comfort. The technological innovations of these durable, long lasting shocks from Skyjacker deliver a noticeable advantage over the original equipment and other shock dampeners. Skyjacker's shock absorbers deliver a safe, comfortable ride with improved handling and stability. They keep the tires in contact with the terrain and put you in control of the road ahead.