Swift Coilover Springs Z65-178-080 ID 65mm / 2.56" 7" Length 8 kgf 448 lbs Part Number: Z65-178-080 Spring Rate: 8kgf/mm 447.97472lbs/inch Usable Stroke: 98m / 4 inch Max Stroke: 117mm / 4.60629921259843inch | Max Load: 936 kgf / 2063.5056lbs This listing is for one set of (2) spring! Please make sure to purchase the correct amount you need.