{"product_id":"kelford-cams-dual-valve-springs-titanium-retainers-for-2015-25-subaru-wrx-fa20f-fa24f","title":"Kelford Cams Dual Valve Springs \u0026 Titanium Retainers for 2015-25 Subaru WRX FA20F\/FA24F","description":"\u003cp\u003eSubaru WRX 2015+ dual spring and titanium retainer kit is to suit turbocharged FA20 engines. This spring kit can be used for engines running to 9750RPM and 50PSI boost! High frequency dual spring design to reduce spring surge at high operating RPM. Made with the highest quality Japanese spring steel and wound in the USA by PAC Racing who are world leaders in racing valve spring design and manufacture. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend fatigue life. Titanium retainers made in-house at Kelford Cams with our brand-new high precision CNC turning centers.\u003c\/p\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e88lb seat pressure at 32.85mm installed height using the OEM spring base.\u003c\/li\u003e\n\u003cli\u003e228lb at 11.0mm valve lift.\u003c\/li\u003e\n\u003cli\u003e262lb at 12.0mm valve lift.\u003c\/li\u003e\n\u003cli\u003eCoil bind (solid spring height) 18.55mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eParts also suitable for: Toyota 4AU-GSE variant of the engine found in the GT86. Also, the FA20 variants found in Subaru BRZ, Levorg, Legacy and Forester.\u003c\/p\u003e","brand":"Kelford Cams","offers":[{"title":"Default Title","offer_id":48062438932698,"sku":"KVS87-DT","price":444.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/KVS87-DT-01__19662.1740149070.1280.1280.jpg?v=1781530117","url":"https:\/\/www.iagperformance.com\/products\/kelford-cams-dual-valve-springs-titanium-retainers-for-2015-25-subaru-wrx-fa20f-fa24f","provider":"IAG Performance","version":"1.0","type":"link"}