{"product_id":"kelford-valve-springs-g8x-bmw-b58-supra-kvs58-bt","title":"Kelford Valve Springs for B58 Supra GR\/ S58 BMW M2\/M3\/M4 (KVS58-BT)","description":"\u003cp\u003eKelford Valve Spring Set for the 2020 GR Supra and MW M Series S58 3.0L Inline 6 was engineered specifically to match the Kelford camshafts for ultimate quality, performance and reliability. Includes a full set of 24 high performance, progressively wound PACALOY beehive valve springs and 24 titanium retainers. \u003cbr\u003e\u003cbr\u003eThe High Energy, Extreme Racing Valve Springs kit utilises a precision machined spring seat to max out the seat pressure for high boost, high horsepower builds. Specifically designed for Kelford Cams Stage 2 \u0026amp; Stage 3 Camshafts for engines making over 1000HP. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNote: \u003c\/strong\u003e\u003cbr\u003e• Our kit is specifically engineered to work well with our \u003ca style=\"color: #afafaf; text-decoration: underline;\" href=\"https:\/\/stmtuned.com\/products\/kelford-camshafts-s58-g8x-bmw-m2-m3-m4\"\u003eStage 1, Stage 2, and Stage 3 camshafts\u003c\/a\u003e to provide exceptional quality, reliability, and performance. \u003cbr\u003e• Extreme kit has been specifically designed for Stage 2 and Stage 3 cams. \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eVehicle Fitment:\u003c\/span\u003e\u003cbr\u003e2020+ Toyota Supra (GR A90 MKV MK5)\u003cbr\u003eB58 Engine \u003cbr\u003e2023+ BMW M2 (G87) \u003cbr\u003e2021+ BMW M3 (G80\/81) \u003cbr\u003e2021+ BMW M4 (G82\/83) \u003cbr\u003eS58 Engine \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eStandard Kit Specs:\u003c\/span\u003e \u003cbr\u003e• 90lb seat pressure @ 36.5mm installed height \u003cbr\u003e• 193lb seat pressure @ 11mm lift \u003cbr\u003e• Coil bind is at 23.6mm \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eExtreme Kit Specs:\u003c\/span\u003e \u003cbr\u003e• 105lb seat pressure at 35mm installed height \u003cbr\u003e• 210lb at 10.8mm valve lift \u003cbr\u003e• Spring coil bind height at 23.6mm \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eIncludes:\u003c\/span\u003e\u003cbr\u003e(24) Beehive Springs\u003cbr\u003e(24) Titanium Retainers\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ca style=\"color: #afafaf;\" href=\"https:\/\/stmtuned.com\/collections\/kelford-products\"\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: .8em;\"\u003e See more Kelford Products\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/a\u003e","brand":"Kelford","offers":[{"title":"Standard Kit","offer_id":50563029238102,"sku":"KEL-KVS58-BT","price":642.04,"currency_code":"EUR","in_stock":true},{"title":"Extreme Kit","offer_id":50563029270870,"sku":"KEL-KVS58-BTX","price":813.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/9531\/8102\/files\/KVS58-BT-kelford-2020-supra-b58-valve-springs-2_01ac7f2f-7c90-4a18-af3c-7efb319fede4.jpg?v=1749208078","url":"https:\/\/www.speed-addicts.com\/en\/products\/kelford-valve-springs-g8x-bmw-b58-supra-kvs58-bt","provider":"Speed Addicts","version":"1.0","type":"link"}