{"product_id":"ferrea-nissan-skyline-neo-dual-valve-spring-set-of-24","title":"Ferrea Dual Valve Spring 95lbs - Nissan Skyline R33, R34 RB25DET NEO - Set of 24 - S10078","description":"\u003cdiv class=\"wheel_category_landing_page_header\"\u003e\n\u003cp id=\"catdesc\"\u003eThe design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. We use high grade premium super-clean PAC alloy materials and maintain tight tolerances for those unique aftermarket cylinder heads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e6 Cyl. In-Line - 24 Valve (NEO)\u003cbr\u003eDual Spring - Turbo\/Special Alloy\u003cbr\u003eOutside Diameter: 20.8 mm\/28.0 mm\u003cbr\u003eInside Diameter: 16.51 mm\/20.8 mm\u003cbr\u003eSeat Pressure: 95 lbs @ 30 mm\u003cbr\u003eOpen Pressure: 195 lbs @ 20 mm\u003cbr\u003eRate Inch: 254 lbs\u003cbr\u003eCoil Bind: 17.5 mm\u003cbr\u003eMax Net Lift: 12 mm\u003cbr\u003eThis Spring requires Ferrea Titanium Retainer # E11048 and BOTH, Ferrea Spring Seat Locator # SL1037 (INT) and #SL1150 (EXH) AND Factory supplied Spring Seat Locator. Maximum Retainer Step 2 mm\u003c\/p\u003e\n\u003cp\u003eFitment:\u003cbr\u003e1998:Nissan:Skyline (R33):2.5 RB25DET, \u003cbr\u003e1998:Nissan:Skyline (R34):2.5 RB25DET, \u003cbr\u003e1999:Nissan:Skyline (R34):2.5 RB25DET, \u003cbr\u003e2000:Nissan:Skyline (R34):2.5 RB25DET, \u003cbr\u003e2001:Nissan:Skyline (R34):2.5 RB25DET, \u003cbr\u003e2002:Nissan:Skyline (R34):2.5 RB25DET, \u003cbr\u003e\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":49998626291992,"sku":"FERS10078","price":727.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0259\/7856\/8790\/files\/60fdb8afc2bfdcd94d20de6df46b00d0_7c7797fa-9f79-45b3-af6d-07d12f7d3114.jpg?v=1745719468","url":"https:\/\/nipponpower.com\/products\/ferrea-nissan-skyline-neo-dual-valve-spring-set-of-24","provider":"Nippon Power","version":"1.0","type":"link"}