{"product_id":"valve-spring-kit-w-titanium-retainers","title":"Valve Spring Kit w\/ Titanium Retainers","description":"The Kibblewhite 40-40100 is a lightweight racing valve spring kit engineered for high-performance applications. This kit is specifically designed for Kawasaki KX250F models from 2004 to 2016 and supports impressive valve lifts up to 0.445 inches, making it suitable for modern high-revving four-stroke engines.\n\nThe kit utilizes lightweight chrome silicon valve springs and titanium retainers, which significantly reduce valvetrain inertia. This design contributes to optimal durability and performance, especially under extreme conditions found on the race track or trail. The springs are manufactured from the finest quality super-clean, chrome-silicon wire, wound to exacting standards and subjected to a controlled heat treatment, stress relief, and shot-peening process to ensure longevity and strength.\n\nIt features dual springs per valve and includes a damper spring and retainers. The seat pressure at the installed height for both intake and exhaust valves is 46 lbs. The maximum lift for both intake and exhaust valves is 0.340 inches. The kit is sold as a complete set and utilizes OEM locks.","brand":"Kibblewhite","offers":[{"title":"Default Title","offer_id":52686446231864,"sku":"40-40100","price":217.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/658753020.jpg?v=1784873972","url":"https:\/\/store.motormia.co\/products\/valve-spring-kit-w-titanium-retainers","provider":"MOTORMIA","version":"1.0","type":"link"}