{"product_id":"manley-performance-subaru-wrx-sti-valve-spring-and-retainer-kit-part-26185","title":"Manley Performance Subaru WRX\/STi Valve Spring and Retainer Kit - Part #26185","description":"Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.\nMax Lift: 0.510\" - Spring: 22185-16 - Titanium Retainer: 23185-16\nManley Sport Compatct Valve Spring and Retainer Kit\n\u003cul\u003e\n  \u003cli\u003eIncludes matched Valve Springs, Retainers, and Locks (if part number ends in \"K\"). Spring Locators included in some applications.\u003c\/li\u003e\n  \u003cli\u003eIncludes 7  Machined Valve Locks manufactured from the premium quality heat treated steel\u003c\/li\u003e\n  \u003cli\u003eHeat treated aerospace grade titanium retainers CNC machined to exacting tolerances\u003c\/li\u003e\n  \u003cli\u003eDesigned to handle aftermarket camshafts and up to 10,000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your Subaru Impreza's valvetrain with the Manley Performance Valve Spring and Retainer Kit, designed specifically for high-performance and racing applications. This kit includes premium chrome-silicon alloy springs that deliver exceptional fatigue resistance and high-tensile strength, providing reliable valve control even at extreme RPMs. Engineered for maximum durability and stability, these components help optimize engine performance while reducing the risk of valvetrain failure during aggressive driving or racing conditions. The kit features matched valve springs, CNC-machined aerospace-grade titanium retainers, and machined steel valve locks, ensuring a perfect fit and consistent operation. These components are compatible with aftermarket camshafts and are suitable for engines reaching up to 10,000 RPM, making them ideal for enthusiasts seeking to maximize their Subaru Impreza's capabilities. Installation is straightforward with included spring locators in some applications, streamlining your upgrade process and saving time and money. Whether you're building a performance street car or a dedicated race vehicle, this kit provides the high-quality components necessary for a reliable, high-performance valvetrain.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eIncludes matched valve springs, retainers, and locks (spring locators included in some applications)\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMachined from premium heat-treated steel for valve locks\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCNC-machined aerospace-grade titanium retainers for durability and precision\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to handle aftermarket camshafts and high RPMs up to 10,000\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMax valve lift of 0.510 inches for high-performance applications\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2002 Subaru Impreza WRX\u003cbr\u003e\n2003 Subaru Impreza WRX\u003cbr\u003e\n2004 Subaru Impreza WRX\u003cbr\u003e\n2004 Subaru Impreza WRX STI\u003cbr\u003e\n2005 Subaru Impreza WRX\u003cbr\u003e\n2005 Subaru Impreza WRX STI\u003cbr\u003e\n2006 Subaru Impreza WRX STI\u003cbr\u003e\n2007 Subaru Impreza WRX STI\u003cbr\u003e\n2007 Subaru Impreza WRX STI Limited\u003cbr\u003e\n2008 Subaru Impreza WRX STI\u003cbr\u003e\n2009 Subaru Impreza WRX STI\u003cbr\u003e\n2010 Subaru Impreza WRX STI\u003cbr\u003e\n2010 Subaru Impreza WRX STI Special Edition\u003cbr\u003e\n2011 Subaru Impreza WRX STI\u003cbr\u003e\n2011 Subaru Impreza WRX STI Limited\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":53602500247825,"sku":"26185","price":532.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/3830\/0689\/files\/6faafff1152b9c16bcfa074cbfa7ca6f.jpg?v=1779947340","url":"https:\/\/shoprenegade.com\/products\/manley-performance-subaru-wrx-sti-valve-spring-and-retainer-kit-part-26185","provider":"Renegade Speed by Renegade Racing \u0026 Performance","version":"1.0","type":"link"}