Manley Performance Subaru WRX/STi Valve Spring and Retainer Kit - Part #26185

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. Max Lift: 0.510" - Spring: 22185-16 - Titanium Retainer: 23185-16 Manley Sport Compatct Valve Spring and Retainer Kit

• Includes matched Valve Springs, Retainers, and Locks (if part number ends in "K"). Spring Locators included in some applications.
• Includes 7 Machined Valve Locks manufactured from the premium quality heat treated steel
• Heat treated aerospace grade titanium retainers CNC machined to exacting tolerances
• Designed to handle aftermarket camshafts and up to 10,000 RPM

Upgrade 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.

Features:

• Includes matched valve springs, retainers, and locks (spring locators included in some applications)

• Machined from premium heat-treated steel for valve locks

• CNC-machined aerospace-grade titanium retainers for durability and precision

• Designed to handle aftermarket camshafts and high RPMs up to 10,000

• Max valve lift of 0.510 inches for high-performance applications

Fitment:
2002 Subaru Impreza WRX
2003 Subaru Impreza WRX
2004 Subaru Impreza WRX
2004 Subaru Impreza WRX STI
2005 Subaru Impreza WRX
2005 Subaru Impreza WRX STI
2006 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2008 Subaru Impreza WRX STI
2009 Subaru Impreza WRX STI
2010 Subaru Impreza WRX STI
2010 Subaru Impreza WRX STI Special Edition
2011 Subaru Impreza WRX STI
2011 Subaru Impreza WRX STI Limited

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Units Per Sku: 1