{"product_id":"manley-subaru-wrx-sti-16pc-valve-springs-1-050-755-for-use-with-23180-16-retainers","title":"Manley 16pc Valve Spring Set (1.050\/.755) Subaru WRX 02-14 \/ STI 04-21 | 22180-16","description":"\u003cp data-start=\"226\" data-end=\"551\"\u003e\u003cstrong\u003eProduct Fitment: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"226\" data-end=\"551\"\u003e2002-2014 Subaru WRX\u003c\/p\u003e\n\u003cp data-start=\"226\" data-end=\"551\"\u003e2004-2021 Subaru STI\u003c\/p\u003e\n\u003cp data-start=\"226\" data-end=\"551\"\u003eThe Manley Valve Spring Kit (22180-16) is engineered to support high RPM, turbocharged applications in select engines (notably sport-compact and Subaru WRX \/ STI. Designed for serious performance builds, these valve springs offer enhanced durability, precise fitment, and reliable operation under extreme conditions.\u003c\/p\u003e\n\u003cp data-start=\"553\" data-end=\"583\"\u003e\u003cstrong data-start=\"553\" data-end=\"581\"\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"584\" data-end=\"1407\"\u003e\n\u003cli data-start=\"584\" data-end=\"751\"\u003e\n\u003cp data-start=\"586\" data-end=\"751\"\u003eOptimized spring rate (245 PPI) and match for high lift up to ~0.525 inches — ideal for upgraded cams or high-revving setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca href=\"https:\/\/www.manleyperformance.com\/product\/valve-springs\/sport-compact\/man_22180-16\/\" rel=\"noopener\" alt=\"https:\/\/www.manleyperformance.com\/product\/valve-springs\/sport-compact\/man_22180-16\/\" class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"752\" data-end=\"933\"\u003e\n\u003cp data-start=\"754\" data-end=\"933\"\u003eOuter diameter 1.050″, inner diameter 0.755″, coil bind height 0.845″ — engineered to maintain stability and prevent coil bind at high rpm. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca href=\"https:\/\/www.manleyperformance.com\/product\/valve-springs\/sport-compact\/man_22180-16\/\" rel=\"noopener\" alt=\"https:\/\/www.manleyperformance.com\/product\/valve-springs\/sport-compact\/man_22180-16\/\" class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"934\" data-end=\"1111\"\u003e\n\u003cp data-start=\"936\" data-end=\"1111\"\u003eIncludes 16 springs — typically covers a 4-cylinder (dual overhead cam) application — ensures consistent performance across all valves. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca href=\"https:\/\/www.manleyperformance.com\/product\/valve-springs\/sport-compact\/man_22180-16\/\" rel=\"noopener\" alt=\"https:\/\/www.manleyperformance.com\/product\/valve-springs\/sport-compact\/man_22180-16\/\" class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1112\" data-end=\"1271\"\u003e\n\u003cp data-start=\"1114\" data-end=\"1271\"\u003eBuilt for “Sport Compact” applications; ideal for turbocharged Subaru platforms, track use, or major engine upgrades. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca href=\"https:\/\/www.manleyperformance.com\/product\/valve-springs\/sport-compact\/man_22180-16\/\" rel=\"noopener\" alt=\"https:\/\/www.manleyperformance.com\/product\/valve-springs\/sport-compact\/man_22180-16\/\" class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1272\" data-end=\"1407\"\u003e\n\u003cp data-start=\"1274\" data-end=\"1407\"\u003eManufactured by Manley Performance, a recognized name in high-end performance engine components — offering quality and dependability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1272\" data-end=\"1407\"\u003eFor use with Manley 23180-16 Retainers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1409\" data-end=\"1662\"\u003eWhether you’re building a track car, preparing for high RPM performance, or upgrading your engine’s valvetrain for forced induction, the Manley Valve Spring Kit (22180-16) delivers a high-level solution to keep your valvetrain in control and responsive.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead data-start=\"148\" data-end=\"173\"\u003e\n\u003ctr data-start=\"148\" data-end=\"173\"\u003e\n\u003cth data-start=\"148\" data-end=\"164\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"164\" data-end=\"173\" data-col-size=\"sm\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"200\" data-end=\"260\"\u003e\n\u003ctd data-start=\"200\" data-end=\"218\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"202\" data-end=\"217\"\u003eTitle - Web\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"218\" data-end=\"260\" data-col-size=\"sm\"\u003eManley Valve Spring, SPRING-SUBARU WRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"261\" data-end=\"315\"\u003e\n\u003ctd data-start=\"261\" data-end=\"273\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"263\" data-end=\"272\"\u003eTitle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"273\" data-end=\"315\" data-col-size=\"sm\"\u003eManley Valve Spring, SPRING-SUBARU WRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"316\" data-end=\"359\"\u003e\n\u003ctd data-start=\"316\" data-end=\"342\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"318\" data-end=\"341\"\u003eValve Spring Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"342\" data-end=\"359\" data-col-size=\"sm\"\u003eSport Compact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"360\" data-end=\"394\"\u003e\n\u003ctd data-start=\"360\" data-end=\"384\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"362\" data-end=\"383\"\u003eValve Spring Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"384\" data-end=\"394\" data-col-size=\"sm\"\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"395\" data-end=\"429\"\u003e\n\u003ctd data-start=\"395\" data-end=\"423\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"397\" data-end=\"422\"\u003eValve Spring Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"423\" data-end=\"429\" data-col-size=\"sm\"\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"430\" data-end=\"479\"\u003e\n\u003ctd data-start=\"430\" data-end=\"469\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"432\" data-end=\"468\"\u003eValve Spring Outer Diameter (OD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"469\" data-end=\"479\" data-col-size=\"sm\"\u003e1.050″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"480\" data-end=\"529\"\u003e\n\u003ctd data-start=\"480\" data-end=\"519\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"482\" data-end=\"518\"\u003eValve Spring Inner Diameter (ID)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"519\" data-end=\"529\" data-col-size=\"sm\"\u003e0.755″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"530\" data-end=\"576\"\u003e\n\u003ctd data-start=\"530\" data-end=\"566\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"532\" data-end=\"565\"\u003eValve Spring Coil Bind Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"566\" data-end=\"576\" data-col-size=\"sm\"\u003e0.845″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"577\" data-end=\"616\"\u003e\n\u003ctd data-start=\"577\" data-end=\"597\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"579\" data-end=\"596\"\u003eSeat Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"597\" data-end=\"616\" data-col-size=\"sm\"\u003e60 lbs @ 1.420″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"617\" data-end=\"676\"\u003e\n\u003ctd data-start=\"617\" data-end=\"637\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"619\" data-end=\"636\"\u003eOpen Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"637\" data-end=\"676\" data-col-size=\"sm\"\u003e151 lbs @ 1.050″ \/ 187 lbs @ 0.895″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"677\" data-end=\"715\"\u003e\n\u003ctd data-start=\"677\" data-end=\"701\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"679\" data-end=\"700\"\u003eValve Spring Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"701\" data-end=\"715\" data-col-size=\"sm\"\u003e245 lbs\/in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"716\" data-end=\"749\"\u003e\n\u003ctd data-start=\"716\" data-end=\"739\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"718\" data-end=\"738\"\u003eStock Valve Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"739\" data-end=\"749\" data-col-size=\"sm\"\u003e0.370″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr data-start=\"750\" data-end=\"785\"\u003e\n\u003ctd data-start=\"750\" data-end=\"775\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"752\" data-end=\"774\"\u003eMaximum Valve Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"775\" data-end=\"785\" data-col-size=\"sm\"\u003e0.525″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51573007188290,"sku":"22180-16","price":125.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9294\/3170\/files\/Manley-16pc-Valve-Spring-Set-1_050_755-Subaru-WRX-02-14-STI-04-21-22180-16.jpg?v=1764075006","url":"https:\/\/autospecdesign.com\/products\/manley-subaru-wrx-sti-16pc-valve-springs-1-050-755-for-use-with-23180-16-retainers","provider":"AutoSpec Design","version":"1.0","type":"link"}