The ultimate package is our monotube remote reservoir coilover set which offers separate fluid canisters for optimum adjustability and improved heat dissipation.Double Adjustable Shock This is the most race winning shock JRi has in its stable. With its two independent adjustments and the enormous range of adjustment it can be set to the exacting demands of the Driver and performance levels required while providing excellent ride quality on the street.Spring Rate: 150lbs/inSpring Free Length: 11in