{"product_id":"4-inch-id-coilover-spring-60mm-42-0-kgf-mm","title":"4-Inch ID Coilover Spring, 60mm, 42.0 kgf\/mm","description":"The K-Tuned Metric Coilover Spring offers a robust solution for enhancing vehicle suspension performance, catering to both daily driving and track-focused applications. Crafted from Swift's proprietary HS5.TW material, these springs are engineered for durability and consistent performance.\n\nThis specific model, Z60-102-420, features a 4-inch length and a 60mm (2.37-inch) inner diameter, making it compatible with many coilover systems. It boasts a substantial spring rate of 42.0 kgf\/mm, equivalent to 2,352 lbs\/inch, providing a firmer ride and improved handling characteristics. The spring's design includes a usable stroke of 37mm (1.5 inches) and a maximum stroke of 43mm (1.7 inches), allowing for effective suspension travel management.\n\nSwift metric coilover springs are recognized for their innovative designs and are a staple in the performance tuning community. They are sold exclusively in pairs to ensure balanced performance across the suspension system.","brand":"K-Tuned","offers":[{"title":"Default Title","offer_id":52869718245688,"sku":"Z60-102-420","price":119.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/688004353.webp?v=1787917911","url":"https:\/\/store.motormia.co\/products\/4-inch-id-coilover-spring-60mm-42-0-kgf-mm","provider":"MOTORMIA","version":"1.0","type":"link"}