{"product_id":"m1007d-supertech-dual-valve-springs-4g63-evo-dsm","title":"Supertech Dual Valve Spring Kit for 4G63 Evo\/DSM","description":"Supertech dual valve spring kits for 4G63 Evo, DSM and GVR4. Includes 16 dual springs, 16 titanium retainers, 16 valve seats and reduced O.D. valve seals. There are four options for the pressure seat, please do all your research and consult your engine builder if necessary!\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eVehicle Fitment:\u003c\/span\u003e\u003cbr\u003e1992-2006 Evolution I-IX\u003cbr\u003e1990-1999 Eclipse GST\/GSX\u003cbr\u003e1990-1998 Talon TSi\u003cbr\u003e1990-1994 Laser RS\u003cbr\u003e1991-1992 Galant VR-4\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eInstall Notes:\u003c\/span\u003e\u003cbr\u003eSome 1G castings may need to use different seat locators due to taller valve guide boss.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePurchase Includes:\u003c\/span\u003e\u003cbr\u003e(16) Dual Valve Springs\u003cbr\u003e(16) Titanium Retainers\u003cbr\u003e(16) Valve Seats\u003cbr\u003e(16) Reduced O.D. Valve Seals\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr bgcolor=\"2d2d2d\"\u003e\n\u003ctd style=\"color: #ffffff;\"\u003ePart Number:\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003ePressure Seat:\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eDetails:\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"404040\"\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eSPRK-M1005D\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003e80 @ 39.6mm\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eMax Lift: 16.00mm\u003cbr\u003e Coil Bind: 23.50mm\u003cbr\u003e Rate: 10.50 lbs\/mm\u003cbr\u003e Retainer: RET-M65\/T1\u003cbr\u003e Spring: SPR-M1007D\u003cbr\u003e Seat Locator: SEAT-M1007D\u003cbr\u003e Valve Stem Seal: VS-H6.6E\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"2d2d2d\"\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eSPRK-M1007D\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003e92 @ 39.6mm\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eMax Lift: 14.90mm\u003cbr\u003e Coil Bind: 24.70mm\u003cbr\u003e Rate: 12.50 lbs\/mm\u003cbr\u003e Retainer: RET-M65\/T1\u003cbr\u003e Spring: SPR-M1007D\u003cbr\u003e Seat Locator: SEAT-M1007D\u003cbr\u003e Valve Stem Seal: VS-H6.6E\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"404040\"\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eSPRK-M1007D-2\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003e100 @ 39.0mm\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eMax Lift: 14.30mm\u003cbr\u003e Coil Bind: 24.70mm\u003cbr\u003e Rate: 12.50 lbs\/mm\u003cbr\u003e Retainer: RET-M65\/TSTD\u003cbr\u003e Spring: SPR-M1007D\u003cbr\u003e Seat Locator: SEAT-M1007D\u003cbr\u003e Valve Stem Seal: VS-H6.6E\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"2d2d2d\"\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eSPRK-M1007D-3\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003e110 @ 38.1\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\"\u003eMax Lift: 13.40mm\u003cbr\u003e Coil Bind: 24.70mm\u003cbr\u003e Rate: 12.50 lbs\/mm\u003cbr\u003e Retainer: RET-M65\/TSTD\u003cbr\u003e Spring: SPR-M1007D\u003cbr\u003e Seat Locator: SEAT-M1007D\/FP\u003cbr\u003e Valve Stem Seal: VS-H6.6E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\nAll Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high RPM. Using high quality steel alloy also provides the added benefit of better structural memory.\u003cbr\u003e\u003cbr\u003eSupertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. \u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/stmtuned.com\/collections\/supertech-products\" style=\"color: #afafaf;\"\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: .8em;\"\u003e See more Supertech Parts\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/a\u003e","brand":"Supertech","offers":[{"title":"80 @ 39.6 (SPRK-M1005D)","offer_id":50565442077014,"sku":"SUP-SPRK-M1005D","price":573.08,"currency_code":"EUR","in_stock":true},{"title":"92 @ 39.6 (SPRK-M1007D)","offer_id":50565442109782,"sku":"SUP-SPRK-M1007D","price":573.08,"currency_code":"EUR","in_stock":true},{"title":"100 @ 39.0 (SPRK-M1007D-2)","offer_id":50565442142550,"sku":"SUP-SPRK-M1007D-2","price":573.08,"currency_code":"EUR","in_stock":true},{"title":"110 @ 38.1 (SPRK-M1007D-3)","offer_id":50565442175318,"sku":"SUP-SPRK-M1007D-3","price":573.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/9531\/8102\/files\/M1007D-supertech-dual-valve-springs-4g63-evo-dsm-1.jpg?v=1749225730","url":"https:\/\/www.speed-addicts.com\/en\/products\/m1007d-supertech-dual-valve-springs-4g63-evo-dsm","provider":"Speed Addicts","version":"1.0","type":"link"}