{"product_id":"kt4016-ferrea-r35-gtr-single-valve-spring-kit","title":"Ferrea Single Valve Spring Kit for R35 GTR (KT4016)","description":"Ferrea single valve spring kit for the Nissan R35 GTR. Includes 24 special alloy single valve springs with 24 titanium retainers, 24 spring seat locators and 24 valve locks.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eVehicle Fitment:\u003c\/span\u003e\u003cbr\u003e2009+ Nissan R35 GT-R VR38EDETT\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eKit Includes:\u003c\/span\u003e\u003cbr\u003e(24) Valve Springs (S10137)\u003cbr\u003e(12) Titanium Exhaust Side Retainers (E11110)\u003cbr\u003e(12) Titanium Intake Side Retainers (E11107)\u003cbr\u003e(24) Ferrea Spring Seat Locators (SL1116)\u003cbr\u003e(24) Valve Locks (48 Pieces) (K10102)\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eS10137 Single Spring Kit Specs:\u003c\/span\u003e\u003cbr\u003e• Single Spring\u003cbr\u003e• Special Alloy\u003cbr\u003e• Outer Diameter: 25.19 mm\u003cbr\u003e• Inner Diameter: 18.3 mm\u003cbr\u003e• Seat Pressure: 90 lbs\u003cbr\u003e• Open Pressure: 155 lbs\u003cbr\u003e• Rate Inch:165 lbs\u003cbr\u003e• Coil Bind: 22.65 mm\u003cbr\u003e• Max Net Lift: 11.00 mm\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eInstall Notes:\u003c\/span\u003e\u003cbr\u003eDiscard OEM Factory supplied Spring Seat Locator\u003cbr\u003e\u003cbr\u003e \u003ca style=\"color: #ffffff;\" target=\"blank\" href=\"https:\/\/stmtuned.com\/collections\/ferrea-products\"\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: .8em;\"\u003e See more Ferrea Products\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/a\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":50565197988182,"sku":"FER-KT4016","price":1434.24,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/9531\/8102\/files\/KT4016-ferrea-gtr-single-valve-spring-kit.jpg?v=1749223957","url":"https:\/\/www.speed-addicts.com\/en\/products\/kt4016-ferrea-r35-gtr-single-valve-spring-kit","provider":"Speed Addicts","version":"1.0","type":"link"}