{"product_id":"manley-subaru-wrx-sti-490in-valve-spring-and-retainer-kit-w-o-valve-locks-16-each","title":"Manley Performance 0.490in Valve Spring and Retainer Kit | Subaru WRX\/STi (16) (26185)","description":"\u003ch1\u003eManley Performance Valve Spring and Retainer Kits\u003c\/h1\u003e\n\u003ch2\u003eFitment Summary\u003c\/h2\u003e\n\u003c!-- No specific fitment details provided, so this section is omitted --\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 26185\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\nThe Manley Subaru WRX\/STi .490in Valve Spring and Retainer Kit is a high-quality upgrade designed for enthusiasts and racers seeking reliable valvetrain performance. Crafted specifically for Subaru WRX and STI engines, this kit includes 16 chrome-silicon alloy springs and retainers engineered to withstand the rigors of high RPM operation and aggressive camshaft profiles. Whether you're building a race-ready engine or enhancing your vehicle's durability under demanding conditions, this kit provides the stability and precision necessary for optimal valve control and engine performance.\nThis kit is ideal for those looking to improve valvetrain reliability, support high-performance camshaft upgrades, and ensure consistent engine operation at elevated speeds. Its durable materials and precision engineering help maintain valve timing and prevent float, contributing to overall engine efficiency and longevity.\n\u003ch3\u003eKey Features\u003c\/h3\u003e\nThis valve spring and retainer kit offers several key benefits:\n\u003cul\u003e\n\u003cli\u003eConstructed from chrome-silicon alloy for exceptional fatigue resistance and high-tensile strength\u003c\/li\u003e\n\u003cli\u003eDesigned to handle high RPMs and aggressive camshaft profiles\u003c\/li\u003e\n\u003cli\u003eIncludes 16 springs and retainers, providing a complete upgrade for Subaru WRX\/STi engines\u003c\/li\u003e\n\u003cli\u003eEngineered for maximum durability and stability in racing and high-performance applications\u003c\/li\u003e\n\u003cli\u003eSupports consistent valve control and precise engine timing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\nThe springs are made from chrome-silicon alloy, a material known for its excellent fatigue life and resistance to wear under extreme conditions. The retainers are precision-machined to ensure a secure fit and optimal valve seating, contributing to the overall robustness of the valvetrain.\n\u003ch3\u003ePerformance \u0026amp; Response\u003c\/h3\u003e\nDesigned to maintain stable valve operation at high engine speeds, these components help prevent valve float and ensure accurate valve timing. This results in improved engine response, smoother operation, and enhanced durability during high-performance driving.\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\nInstallation requires removal of existing springs and retainers, with proper compression tools recommended. This kit is designed specifically for Subaru WRX and STI engines, ensuring a direct fit and straightforward upgrade process.\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\nThe package includes 16 chrome-silicon alloy springs and 16 retainers, providing a complete set for a typical engine rebuild or upgrade.\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\nThis kit is perfect for Subaru WRX\/STi owners and racers aiming to support high-performance camshaft upgrades, improve valvetrain durability, and achieve consistent engine operation at elevated RPMs.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51635930824991,"sku":"26185","price":482.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/manley-performance-valve-spring-and-retainer-kit-2002-2014-wrx-2004-2014-sti-2005-2012-lgt-2004-2013-fxt-26185-671502.jpg?v=1779937748","url":"https:\/\/shop.wheelflip.com\/products\/manley-subaru-wrx-sti-490in-valve-spring-and-retainer-kit-w-o-valve-locks-16-each","provider":"WheelFlip","version":"1.0","type":"link"}