{"product_id":"65mm-id-x-4-coilover-spring-18-0kgf-mm","title":"65mm ID x 4\" Coilover Spring 18.0kgf\/mm","description":"The Swift Z65-102-180 is a universal metric coilover spring designed to enhance vehicle performance and handling. With a 4-inch length and a 65mm inner diameter, this spring is engineered for optimal compatibility with various coilover systems.\n\nConstructed from Swift's proprietary HS5.TW material, this coilover spring offers superior performance compared to standard silicone chrome steel. This advanced material contributes to increased traction, seamless weight transfer, improved ride quality, and more predictable vehicle dynamics. The spring boasts a rate of 18.0kgf\/mm, which is equivalent to 1,008 lbs\/inch, providing a firm yet responsive feel.\n\nKey specifications include a usable stroke of 52mm (2.0 inches) and a maximum stroke of 56mm (2.2 inches). These dimensions ensure efficient suspension travel and performance under demanding driving conditions, whether for daily driving or track use. The springs are color-coordinated based on their inner diameter, offering a visual cue for identification.","brand":"Swift","offers":[{"title":"Default Title","offer_id":52663930192184,"sku":"Z65-102-180","price":89.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687721030.jpg?v=1784330961","url":"https:\/\/store.motormia.co\/products\/65mm-id-x-4-coilover-spring-18-0kgf-mm","provider":"MOTORMIA","version":"1.0","type":"link"}