{"product_id":"4-coil-spring-pair","title":"4\" Coil Spring Pair","description":"Crafted from Swift's proprietary HS5.TW steel material, these springs are designed to be more durable and offer superior performance characteristics than traditional silicone chrome steel. This specific model, the Z65-102-380, is part of a wide variety of lengths and rates available to suit diverse driving needs, from daily driving to track use.\n\nWith a 4-inch length and a 65mm (2.56-inch) inner diameter, this spring boasts a robust spring rate of 38.0kgf\/mm, which translates to 2,128 lbs\/inch. It offers a usable stroke of 40mm (1.6 inches) and a maximum stroke of 47mm (1.9 inches), providing a balance of ride comfort and aggressive handling. The springs are color-coordinated based on their inner diameter, aiding in identification and assembly.\n\nUsers can expect noticeable improvements in traction, seamless weight transfer, enhanced ride quality, and a more predictable feel after installation. Swift Springs are known for delivering results, and these metric coilover springs are a testament to that commitment, turning theoretical potential into tangible performance gains. These springs are sold exclusively in pairs to ensure proper suspension tuning.","brand":"Swift Springs","offers":[{"title":"Default Title","offer_id":52663931961656,"sku":"Z65-102-380","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687721078.jpg?v=1784330975","url":"https:\/\/store.motormia.co\/products\/4-coil-spring-pair","provider":"MOTORMIA","version":"1.0","type":"link"}