It basically is an air cylinder on top of your coilover. Normally you will drive low, whenever you need to pass an obstacle you can apply pressure to the cups and it will raise your car with 50mm.
AIR CUP LIFT SYSTEM
COILOVER PERFORMANCE WITH THE ABILITY TO LIFT
FEATURES
32 Damping Adjustment
T60601 Alumunium top / bottom mounts
2 Way height adjustable (body shift)
Longer shock travel
(FREE Choice Of Spring Rates for ISC Coilovers setup)