{"product_id":"genesis-coupe-bk-2-0t-dual-valve-spring-titanium-retainer-kit","title":"Genesis Coupe (BK) 2.0T - Dual Valve Spring \u0026 Titanium Retainer Kit","description":"\u003cp\u003eA full valve spring set for the Theta II 2.0T (G4KF): 16 dual springs, 16 titanium retainers and 16 seat locators. Chrome-silicon-vanadium springs, CNC-machined titanium retainers. The factory seal-seats are reused.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e75lb\u003c\/strong\u003e (SPRK-HY1015-2): 75lb seat pressure at 35.3mm installed, 14.5mm max lift\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e85lb\u003c\/strong\u003e (SPRK-HY1015-3): 85lb at 34.5mm, 13.8mm max lift\u003c\/li\u003e\n\u003cli\u003eBoth 12.1lb\/mm rate, 20.7mm coil bind\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSprings add no power. They stop valve float, and boost pushing the exhaust valves open, once you add cams, rpm or big boost. On a stock-turbo car they are not worth the labour.\u003c\/p\u003e\u003cp\u003eFits the Genesis Coupe 2.0T, 2010-2014. Supertech lists it for the G4KF only, not the G4KH in the i30 N, Veloster N, Elantra N (i30 Sedan N), Kona N or Sonata\/Optima 2.0T.\u003c\/p\u003e","brand":"SuperTech","offers":[{"title":"75lb @ 35.3mm","offer_id":50891804606703,"sku":"sptSPRK-HY1015-2","price":628.99,"currency_code":"USD","in_stock":true},{"title":"85lb @ 34.5mm","offer_id":50891804639471,"sku":"sptSPRK-HY1015-3","price":629.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/0695\/1836\/files\/34841158b0d8bc77bb7690976e861e49.png?v=1790316265","url":"https:\/\/cherrytuning.us\/products\/genesis-coupe-bk-2-0t-dual-valve-spring-titanium-retainer-kit","provider":"Cherry Tuning \u0026 Performance","version":"1.0","type":"link"}