Would say it depends on the vehicle and your load. My rule of thumb is to start at 30 PSI and gradually increase until vehicle just starts to rise. Adjust as you feel for ride. Increase pressure if you will carrying a heavy load and the rear drops. Usually air shocks max out spec is 100 - 120 PSI. More may cause damage to the shocks. Hope this helps
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Would say it depends on the vehicle and your load. My rule of thumb is to start at 30 PSI and gradually increase until vehicle just starts to rise. Adjust as you feel for ride. Increase pressure if you will carrying a heavy load and the rear drops. Usually air shocks max out spec is 100 - 120 PSI. More may cause damage to the shocks. Hope this helps