{"product_id":"supertech-dual-valve-spring-drag-racing-subaru-ej20-ej25-turbo","title":"Supertech Dual Valve Spring (Drag Racing) - Subaru EJ20 \/ EJ25 Turbo - WRX \/ WRX STI","description":"\u003ch2\u003eSupertech Dual Valve Spring (Drag Racing) - Subaru EJ20 \/ EJ25 Turbo - WRX \/ WRX STI\u003c\/h2\u003e\n\u003cp\u003eSupertech dual valve spring for the turbocharged EJ20 and EJ25 DOHC engines in the Subaru WRX and WRX STI, Forester GT \/ XT and Liberty GT. The inner and outer springs work together for more seat and open pressure than the factory spring. Supertech rates this spring for drag racing. Use it as a replacement in a Supertech kit or to build your own spring setup with the retainers and seat locators to suit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Not for the 2015-on WRX (VA), which has the FA20 engine. Pressures are Supertech's figures at the installed height shown. Installation by a professional engine builder is recommended.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSeat pressure 100 lb @ 33.8mm\u003c\/li\u003e\n\u003cli\u003eOpen pressure 273 lb @ 11.5mm\u003c\/li\u003e\n\u003cli\u003eMax valve lift 13.50mm\u003c\/li\u003e\n\u003cli\u003eCoil bind 20.70mm\u003c\/li\u003e\n\u003cli\u003eSpring rate 14.9 lb\/mm\u003c\/li\u003e\n\u003cli\u003eSold as a single spring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePairs Well With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/supertech-dual-valve-spring-retainer-kit-subaru-wrx-sti-fxt-lgt-ej20-ej25\"\u003eSupertech Dual Valve Spring Kit 82 lb - Subaru EJ20 \/ EJ25 Turbo - WRX \/ WRX STI\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/supertech-valve-keeper-subaru-ej20-ej25\"\u003eSupertech Valve Locks 6mm 6 Degree - Subaru EJ20 Turbo \/ EJ25 - WRX \/ WRX STI \/ Forester \/ Liberty\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/supertech-valve-stem-seals-intake-subaru-ej20-ej25\"\u003eSupertech Polyacrylic Intake Valve Stem Seals - Subaru EJ20 Turbo \/ EJ25 - WRX \/ WRX STI \/ Forester \/ Liberty\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/supertech-valve-stem-seals-exhaust-subaru-ej20-ej25\"\u003eSupertech Viton Exhaust Valve Stem Seals - Subaru EJ20 Turbo \/ EJ25 - WRX \/ WRX STI \/ Forester \/ Liberty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"chicane-links\"\u003eShop more: \u003ca href=\"\/collections\/supertech\"\u003eSupertech\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNeed help choosing parts? Contact our team at \u003ca href=\"mailto:sales@chicaneaustralia.com.au\"\u003esales@chicaneaustralia.com.au\u003c\/a\u003e.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":54305585365285,"sku":"SPR-TS1015-IN-SU4","price":40.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/dual-spring_7a4b7b57-b0ab-4557-ad55-cfe901c1990f.jpg?v=1793313905","url":"https:\/\/www.chicaneaustralia.com.au\/products\/supertech-dual-valve-spring-drag-racing-subaru-ej20-ej25-turbo","provider":"Chicane Australia","version":"1.0","type":"link"}