{"product_id":"spring-kt-66-e79-bt-600-20-20450","title":"Spring Kt 66-E79 Bt .600 20-20450","description":"Racing Valve Spring Kit\u003cli\u003eDesigned for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the springs, valvetrain mass, required pressure, wire stress, fatigue life, and engine rpm\u003c\/li\u003e\u003cli\u003eProgressively wound springs using Kobe super-clean, chromium silicon(CrSi) based wire that is heat treated and shot peened\u003c\/li\u003e\u003cli\u003eComplete set for one engine\u003c\/li\u003e\u003cli\u003eMade in the USA\u003c\/li\u003eSpring base fits 0.565\" guide.\nKit Includes:\n• 4x CrSi Valve Springs\n• 4x H.T. Steel Retainers\n• 4x H.T. Steel Basewashers\n• 4x H.T. Steel Keepers (Pair)","brand":"Kibblewhite","offers":[{"title":"Default Title","offer_id":50860924404042,"sku":"25PTS013098","price":190.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/8949\/1786\/files\/1a6075db4943852e971eab073903be1b_600.webp?v=1751961437","url":"https:\/\/throttleandgear.com\/products\/spring-kt-66-e79-bt-600-20-20450","provider":"Throttle \u0026 Gear Co. Ltd.","version":"1.0","type":"link"}