{"product_id":"manley-subaru-wrx-sti-valve-spring-and-retainer-kit-w-o-valve-locks-16-each","title":"Manley Subaru WRX\/STi Valve Spring and Retainer Kit (w\/o Valve Locks) (16 each)","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: 0.525\" - Spring: 22180-16 - Titanium Retainer: 23180-16\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\u003eThe Manley Performance Valve Spring and Retainer Kit is designed to optimize your Subaru WRX\/STi's valvetrain for high-performance and racing applications. Crafted with chrome-silicon alloy springs, this kit provides exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control even at extreme RPMs. The kit includes matched valve springs, machined titanium retainers, and premium steel valve locks, offering a comprehensive solution to enhance durability and stability in demanding conditions. Engineered to handle aftermarket camshafts and up to 10,000 RPM, these components help you achieve maximum engine performance with confidence.\u003cbr\u003eThe springs are engineered for maximum stability, with a maximum lift capacity of 0.525 inches, making them suitable for aggressive camshaft profiles. The titanium retainers are CNC machined from aerospace-grade material, ensuring precise fit and long-lasting performance under high stress. The included valve locks are heat-treated and manufactured from high-quality steel, providing secure valve retention during high-RPM operation.\u003cbr\u003eThis kit is tailored for Subaru Impreza models from 2004 to 2007, offering a reliable upgrade for enthusiasts seeking to improve engine responsiveness and durability. Whether you're building a race-ready engine or enhancing your daily driver, this Manley kit ensures a high level of craftsmanship and performance. Designed for easy installation, it features spring locators for some applications and is compatible with a variety of aftermarket components, making it a versatile choice for high-performance builds.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eIncludes matched valve springs, retainers, and locks for a complete valvetrain upgrade\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMachined titanium retainers crafted from aerospace-grade material for durability and precision\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eChrome-silicon alloy springs with high fatigue resistance and stability at high RPMs\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned to handle aftermarket camshafts and engine speeds up to 10,000 RPM\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaximum spring lift capacity of 0.525 inches for aggressive valve operation\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nSaab 9-2X Aero 2005\u003cbr\u003e\nSaab 9-2X Aero 2006\u003cbr\u003e\nSubaru Impreza WRX 2002\u003cbr\u003e\nSubaru Impreza WRX 2003\u003cbr\u003e\nSubaru Impreza WRX 2004\u003cbr\u003e\nSubaru Impreza WRX 2005\u003cbr\u003e\nSubaru Impreza WRX 2006\u003cbr\u003e\nSubaru Impreza WRX 2007\u003cbr\u003e\nSubaru Impreza WRX 2008\u003cbr\u003e\nSubaru Impreza WRX 2009\u003cbr\u003e\nSubaru Impreza WRX 2010\u003cbr\u003e\nSubaru Impreza WRX 2011\u003cbr\u003e\nSubaru Impreza WRX 2012\u003cbr\u003e\nSubaru Impreza WRX Limited 2006\u003cbr\u003e\nSubaru Impreza WRX Limited 2007\u003cbr\u003e\nSubaru Impreza WRX Limited 2010\u003cbr\u003e\nSubaru Impreza WRX Limited 2011\u003cbr\u003e\nSubaru Impreza WRX Limited 2012\u003cbr\u003e\nSubaru Impreza WRX Premium 2009\u003cbr\u003e\nSubaru Impreza WRX Premium 2010\u003cbr\u003e\nSubaru Impreza WRX Premium 2011\u003cbr\u003e\nSubaru Impreza WRX Premium 2012\u003cbr\u003e\nSubaru Impreza WRX STI 2004\u003cbr\u003e\nSubaru Impreza WRX STI 2005\u003cbr\u003e\nSubaru Impreza WRX STI 2006\u003cbr\u003e\nSubaru Impreza WRX STI 2007\u003cbr\u003e\nSubaru Impreza WRX STI 2008\u003cbr\u003e\nSubaru Impreza WRX STI 2009\u003cbr\u003e\nSubaru Impreza WRX STI 2010\u003cbr\u003e\nSubaru Impreza WRX STI 2011\u003cbr\u003e\nSubaru Impreza WRX STI 2012\u003cbr\u003e\nSubaru Impreza WRX STI Limited 2007\u003cbr\u003e\nSubaru Impreza WRX STI Limited 2011\u003cbr\u003e\nSubaru Impreza WRX STI Limited 2012\u003cbr\u003e\nSubaru Impreza WRX STI Special Edition 2010\u003cbr\u003e\nSubaru Impreza WRX TR 2006\u003cbr\u003e\nSubaru Impreza WRX TR 2007","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":53855277056316,"sku":"man26180","price":394.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/group-e45d01a3-7621-4dfe-874e-76d6ca2e21aa-800.jpg?v=1784847373","url":"https:\/\/necycleshop.com\/products\/manley-subaru-wrx-sti-valve-spring-and-retainer-kit-w-o-valve-locks-16-each","provider":"NE Cycle Shop","version":"1.0","type":"link"}