SmartAir II Leveling Systems Dual Path Compressor Kit, 12 Volt. BRAND NEW IN BOX. SmartAir II fits leaf sprung vehicles only, and does not work with Air Lift 1000 or Air Lift 1000HD kits. Is Air Lift’s IMPROVED automatic leveling system that detects when your vehicle is not level and. Automatically inflates or deflates. Your air springs to bring you back to your desired ride height. Uses non-contact magnetic technology to maintain your vehicle’s ride height. This reduces the possibility of malfunction due to dirt or other road debris interfering with a contact arm. SmartAir II is available in single or dual path models. Dual path allows for the inflation of each air spring independently to different pressures depending on load, while. Single path allows for the inflation of both air springs at the same rate at the same time. SmartAir II requires no lines or controls to be run into the cab making installation easy. SmartAir II kits come complete with. To quickly install, including a pre-assembled wiring harness, electronic sensor system and compressor. Your address must be confirmed. Buyers who pay with unconfirmed addresses will not be accepted. We always look to satisfy our customers in whatever needs they may have. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. LET’S TAKE YOU TO THE.