{"product_id":"4-inch-length-65mm-id-28-0kgf-mm-coilover-spring","title":"4-Inch Length 65mm ID 28.0kgf\/mm Coilover Spring","description":"Produced using Swift's proprietary HS5.TW material, these springs are designed to offer superior performance and durability over traditional silicone chrome steel.\n\nThis specific spring (part number Z65-102-280) is 4 inches in length and features a 65mm inner diameter, commonly referred to as a 2.56-inch ID. It is rated at 28.0 kgf\/mm, which equates to 1,568 lbs\/inch, providing a firm yet responsive feel. The spring offers a usable stroke of 45mm (1.8 inches) and a maximum stroke of 52mm (2.0 inches), contributing to its predictable performance characteristics.\n\nUsers can expect a noticeable improvement in traction, more seamless weight transfer during cornering, and a better overall ride quality. These benefits translate to a more predictable feel behind the wheel, potentially leading to lower tire temperatures and a more enjoyable driving experience. The springs are color-coordinated based on their inner diameter, aiding in identification and application. Note that these springs are sold exclusively in pairs.","brand":"K-Tuned","offers":[{"title":"Default Title","offer_id":52869724209464,"sku":"Z65-102-280","price":238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/688006399.webp?v=1787917939","url":"https:\/\/store.motormia.co\/products\/4-inch-length-65mm-id-28-0kgf-mm-coilover-spring","provider":"MOTORMIA","version":"1.0","type":"link"}