{"product_id":"spring-kit-valve-trx450r-30-30720","title":"Spring Kit Valve Trx450R 30-30720","description":"Lightweight Racing Valve Spring Kit\u003cli\u003eCompatible with boosted or turbocharged applications\u003c\/li\u003e\u003cli\u003eDesigned with increased spring rates and high lift compatibility compared to the stock springs\u003c\/li\u003e\u003cli\u003eCNC-machined titanium or H.T. (Heat Treated) Steel retainers and Cr-Si (Chromium Silicon) alloy dual springs provide valvetrain control at high rpms with high-performance camshaft capability\u003c\/li\u003e\u003cli\u003eMade in the USA\u003c\/li\u003eThe exhaust spring includes a progressively wound inner spring, which should be installed with the tightly wound end seated on the H.T. steel basewashers.\nKit Includes:\n• 2x Intake CrSi Valve Springs\n• 2x Exhaust CrSi Valve Springs\n• 2x Intake Titanium Retainers\n• 2x Exhaust Titanium Retainers\n• 2x Intake H.T. Steel Basewashers\n• 2x Exhaust H.T. Steel Basewashers","brand":"Kibblewhite","offers":[{"title":"Default Title","offer_id":50861026804042,"sku":"25PTS012832","price":305.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/8949\/1786\/files\/d2b5d765dc11d1f91855e132d0aadbc9_600.webp?v=1751961239","url":"https:\/\/throttleandgear.com\/products\/spring-kit-valve-trx450r-30-30720","provider":"Throttle \u0026 Gear Co. Ltd.","version":"1.0","type":"link"}