Manley Performance man26185 - Subaru WRX/STi .490in Valve Spring and Retainer Kit

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 Compact 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

The Manley Performance man26185 Sport Compact Valve Spring and Retainer Kit is designed for high-performance and racing valvetrain applications. The kit includes matched valve springs and titanium retainers, with a maximum lift specification of .510 inches. It is engineered to provide durability, stability, and consistent valve control for aggressive aftermarket camshafts and high engine speeds.

Key Features & Performance Benefits

• Chrome-silicon alloy springs: Provide fatigue resistance and high-tensile strength for demanding valvetrain use.
• CNC-machined titanium retainers: Heat-treated aerospace-grade titanium retainers are manufactured to exacting tolerances.
• High-RPM capability: Designed to handle aftermarket camshafts and engine speeds up to 10,000 RPM.
• Matched valvetrain components: Valve springs and retainers are selected as a kit to support consistent performance.

Key Product Specifications & Technical Data

• Brand: Manley Performance
• Part Number: man26185
• Product Type: Valve spring and retainer kit
• Application: Sport Compact
• Maximum Lift: .510 inches
• Spring Part Number: 22185-16
• Retainer Type: Titanium
• Retainer Part Number: 23185-16

What's Included

Includes 16 valve springs and 16 titanium retainers. The supplied product name specifies that valve locks are not included. Fitment data lists Subaru Impreza applications from 2002 through 2009, including WRX/STi applications as applicable; verify the exact vehicle and engine configuration before installation.

Fitments:
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