Awesomatix PSSX - Progressive Spring System (New 30%) A800R To set the ride height

To set the ride height

Improved flex through a one-piece top-deck design

You can also use a variation of inside and outside on the front to adjust the roll and balance of the car

RCM-SP-5021-F

Awesomatix PSSX - Progressive Spring System (New 30%) A800R To set the ride heightAwesomatix PSSX Progressive Spring System set is designed to add 30% progressiveness into the originally linear action of SPR01S and SPR01 springs in all A700 A800 cars. Updated version of the previously known "PSS set". The PSSX set comes with the new ST69X 30 Screw with wider cap that provides 30% progressiveness across an increased range of suspension travel and suspension setups. All previous ST69 screw versions fit as well (not included). With