{"product_id":"ferrea-nissan-rb25det-dual-valve-spring-set-of-24","title":"Ferrea Dual Valve Spring 110lbs Int\/90lbs Ex - Nissan Skyline R32, R33 RB25DET (non-Neo) - Set of 24 - S10112","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 - (RB25DET)\u003cbr\u003eThis Spring requires Ferrea Titanium Retainer # E11082 and Ferrea Spring Seat Locator #SL 1068 (EXH Side) and Ferrea Spring Seat Locator #SL1069 (INT Side). (Discard OEM Spring Seat Locator) WARNING: DUE TO VALVETRAIN\u003c\/p\u003e\n\u003cp\u003eFitment:\u003cbr\u003e1989:Nissan:Skyline (R32):2.5 RB25DET, \u003cbr\u003e1990:Nissan:Skyline (R32):2.5 RB25DET, \u003cbr\u003e1991:Nissan:Skyline (R32):2.5 RB25DET, \u003cbr\u003e1992:Nissan:Skyline (R32):2.5 RB25DET, \u003cbr\u003e1993:Nissan:Skyline (R32):2.5 RB25DET, \u003cbr\u003e1994:Nissan:Skyline (R32):2.5 RB25DET, \u003cbr\u003e1993:Nissan:Skyline (R33):2.5 RB25DET, \u003cbr\u003e1994:Nissan:Skyline (R33):2.5 RB25DET, \u003cbr\u003e1995:Nissan:Skyline (R33):2.5 RB25DET, \u003cbr\u003e1996:Nissan:Skyline (R33):2.5 RB25DET, \u003cbr\u003e1997:Nissan:Skyline (R33):2.5 RB25DET, \u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":49998546895128,"sku":"FERS10112","price":727.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0259\/7856\/8790\/files\/60fdb8afc2bfdcd94d20de6df46b00d0_bf08bc1c-9d24-40f3-91dc-a00f15f3f180.jpg?v=1745719771","url":"https:\/\/nipponpower.com\/products\/ferrea-nissan-rb25det-dual-valve-spring-set-of-24","provider":"Nippon Power","version":"1.0","type":"link"}