{"product_id":"4-inch-60mm-id-coilover-spring-18-0kgf-mm","title":"4-Inch 60mm ID Coilover Spring 18.0kgf\/mm","description":"This spring is constructed from K-Tuned's proprietary HS5.TW material, ensuring durability and consistent performance. It is specifically designed with a 4-inch length and a 60mm inner diameter, making it compatible with many coilover systems that utilize these specifications.\n\nThis particular spring offers a spring rate of 18.0kgf\/mm, which translates to approximately 1,008 lbs\/inch. It has a usable stroke of 50mm (2.0 inches) and a maximum stroke of 55mm (2.2 inches). While the image shown may not reflect the exact color coordination based on ID, the specifications provided are accurate for this model.\n\nThese coilover springs are sold exclusively in pairs. It is recommended to verify fitment manually for your specific application, as comprehensive fitment data may not always be available.","brand":"K-Tuned","offers":[{"title":"Default Title","offer_id":52869717983544,"sku":"Z60-102-180","price":119.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/688005329.webp?v=1787917908","url":"https:\/\/store.motormia.co\/products\/4-inch-60mm-id-coilover-spring-18-0kgf-mm","provider":"MOTORMIA","version":"1.0","type":"link"}