{"product_id":"supertech-dual-valve-spring-retainer-kit-subaru-wrx-sti-fxt-lgt-ej20-ej25","title":"Supertech Dual Valve Spring \/ Retainer Kit - Subaru WRX\/STI\/FXT\/LGT (EJ20\/EJ25)","description":"\u003ch2\u003eSupertech Dual Valve Spring \/ Retainer Kit - Subaru WRX\/STI\/FXT\/LGT (EJ20\/EJ25)\u003c\/h2\u003e\n\u003cp\u003eBuilt for high-performance \u003cstrong\u003eSubaru EJ20 and EJ25 DOHC turbo engines\u003c\/strong\u003e, the Supertech Dual Valve Spring and Retainer Kit provides the increased seat pressure and open pressure needed to support aggressive camshaft profiles, higher RPM limits, and upgraded turbo setups. Designed as a complete drop-in solution for the \u003cstrong\u003eWRX, STI, Forester XT, and Liberty GT\u003c\/strong\u003e platforms.\u003c\/p\u003e\n\u003ch3\u003eKit Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e16x Supertech Dual Valve Springs (SPR-TS1015)\u003c\/li\u003e\n\u003cli\u003e16x Supertech Titanium Retainers (RET-TS60\/WRX1)\u003c\/li\u003e\n\u003cli\u003e16x Supertech Seat Locators (SEAT-TS\/SUB4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeat Pressure: 82 lbs @ 33.8mm\u003c\/li\u003e\n\u003cli\u003eOpen Pressure: 220 lbs @ 11.5mm\u003c\/li\u003e\n\u003cli\u003eMax Lift: 13.50mm\u003c\/li\u003e\n\u003cli\u003eCoil Bind: 20.70mm\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 12.1 lbs\/mm\u003c\/li\u003e\n\u003cli\u003eInner Spring ID \/ OD: 15.20mm \/ 20.00mm\u003c\/li\u003e\n\u003cli\u003eOuter Spring ID \/ OD: 20.00mm \/ 27.50mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis kit is designed for engines running aftermarket camshafts and higher boost levels where factory valve springs are no longer adequate. The dual spring design provides consistent valve control and resistance to valve float at high RPM, while the lightweight retainers reduce valvetrain mass for improved response.\u003c\/p\u003e\n\u003cp\u003eVehicle compatibility and fitment notes are provided in the tabs above. Please ensure your engine code and valve train configuration are confirmed before ordering.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":52195926442277,"sku":"SPRK-TS1015-SU4","price":1149.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/dual-spring-retainer-locator-kit.jpg?v=1775591495","url":"https:\/\/www.chicaneaustralia.com.au\/products\/supertech-dual-valve-spring-retainer-kit-subaru-wrx-sti-fxt-lgt-ej20-ej25","provider":"Chicane Australia","version":"1.0","type":"link"}