These are the rear Fox 2.0 Performance Series Reservoir Shocks. They provide the off road enthusiast with optimal performance for both on, and off road use. They feature an external reservoir to separate the shock oil, from high-pressure nitrogen. This is the same technology found on race-proven vehicles that employ Fox Performance Shocks.
Jeep Wrangler JK 07-18, 2.0, R/R, Adjustable, 1.5-3.5″, Rear Shock, Single