{"product_id":"manley-16pc-nextek-drag-race-valve-springs-1-650in-o-d-kit-221454-16","title":"Manley 16pc NexTek Drag Race Valve Springs 1.650in O.D. Kit (221454-16)","description":"\u003ch2 style=\"font-size:1.2rem;\"\u003eManley 16pc NexTek Drag Race Valve Springs 1.650in O.D. Kit (221454-16)\u003c\/h2\u003e\u003cp\u003eThe Manley Performance 221454-16 is a set of performance valve springs.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eManley Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd\u003e221454-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eEngine Internals \u0026amp; Assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003ePerformance upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRate\u003c\/th\u003e\n\u003ctd\u003e635\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e4.0 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eBefore you buy: engine internal part tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eForged pistons and rods handle more boost and rpm than cast parts but need correct clearances set by an experienced engine builder.\u003c\/li\u003e\n\u003cli\u003eCheck bore size, stroke and compression ratio against your build plan before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWill this Manley Performance valve springs fit my vehicle?\u003c\/h3\u003e\u003cp\u003eCheck the sizes and application details in the specifications and manufacturer description below. \u003ca href=\"\/pages\/contact-us\"\u003eContact mobileiGo\u003c\/a\u003e with your year, make, model and engine if you are unsure.\u003c\/p\u003e\u003ch3\u003eWhat is the part number?\u003c\/h3\u003e\u003cp\u003eThe manufacturer part number is 221454-16.\u003c\/p\u003e\u003ch3\u003eWhat bore size or oversize is this part for?\u003c\/h3\u003e\u003cp\u003eBore size, oversize and compression ratio are listed in the title and specifications when the maker provides them.\u003c\/p\u003e\u003ch3\u003eIs this part new?\u003c\/h3\u003e\u003cp\u003eYes. It is a new part sourced from an authorized distributor.\u003c\/p\u003e\u003ch2\u003eManufacturer description\u003c\/h2\u003e\u003cdiv class=\"tt-mfr\"\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch2\u003eNexTek Drag Race Valve Springs - Set of 16 by Manley Performance\u003c\/h2\u003e\n\u003cp align=\"justify\"\u003eThese Manley NexTek valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines. They're manufactured from super-clean, high-tensile chrome silicon steel and are shot-peened to MIL specs for maximum fatigue life. They feature a proprietary, multi-step heat-treating that minimizes load loss and have computer-aided modeling to minimize valve bounce and valve gear separation.\u003c\/p\u003e\n\u003cp align=\"justify\"\u003eThe Manley NexTek valve springs are smaller diameter and lightweight, allowing engines to rev higher faster. They have an extended tip thickness designed to eliminate overload breakage, and their tightly controlled open-end flatness reduces valve stem side loading.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrag Race Valve Springs\u003c\/li\u003e\n\u003cli\u003eSportsman and Bracket Classes\u003c\/li\u003e\n\u003cli\u003eIdeally suited for Sportsman Drag Racing applications\u003c\/li\u003e\n\u003cli\u003eMaximum Valve Lift: .850\u003c\/li\u003e\n\u003cli\u003eO.D. : 1.650\u003c\/li\u003e\n\u003cli\u003eI.D : .855\u003c\/li\u003e\n\u003cli\u003eInstalled Open \/ Pressure: 290@2.000 \/ 825@1.150\u003c\/li\u003e\n\u003cli\u003eRate: 635\u003c\/li\u003e\n\u003cli\u003eCoil bind: 1.105\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUnequalled performance\u003c\/li\u003e\n\u003cli\u003eBetter valve train stability and component life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note: The image provided is generic and may not be an accurate representation of the product you will receive.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's In The Box?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e16 - Valve Springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManley products, due to their intended use, are sold without warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c!-- tt-ap-content v1 --\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":67824498671935,"sku":"MAP MAN 221454-16","price":409.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1639\/5151\/files\/manley-performance-man-221454-16-28111510175814.jpg?v=1792571461","url":"https:\/\/www.mobileigo.com\/products\/manley-16pc-nextek-drag-race-valve-springs-1-650in-o-d-kit-221454-16","provider":"mobileiGo.com","version":"1.0","type":"link"}