Manley Performance man22180-16 Subaru WRX/STI 16-Piece Valve Springs

Engineered for today’s high-revving sport compact engines, Manley valve springs deliver exceptional durability, precise control, and consistent performance. Manufactured from premium alloys and designed for demanding turbocharged and naturally aspirated applications, they ensure reliable valvetrain stability at elevated RPM and boost levels. Manley Valve Spring, SPRING-SUBARU WRX Manley Valve Spring, SPRING-SUBARU WRX .

• Revs up to 10,000 RPM with Manley titanium retainers
• Designed to handle aftermarket camshafts
• Wound from super clean alloy

Manley Performance man22180-16 valve springs are engineered for high-revving sport compact engines and demanding turbocharged or naturally aspirated applications. Designed to provide durable, consistent valvetrain control, these springs support reliable performance at elevated RPM and boost levels.

Key Features & Performance Benefits

• High-RPM Control: Revs up to 10,000 RPM when used with Manley titanium retainers.
• Camshaft Compatibility: Designed to handle aftermarket camshafts.
• Premium Alloy Construction: Wound from super-clean alloy for consistent performance.
• Valvetrain Stability: Supports reliable control in demanding turbocharged and naturally aspirated applications.

Product Specifications & Technical Data

• Brand: Manley Performance
• Part Number: man22180-16
• Product Type: Valve springs
• Application: Subaru WRX/STI
• Quantity: 16 pieces
• Spring Dimensions: 1.050/.755
• Retainer Requirement: For use with 23180-16 retainers
• RPM Capability: Up to 10,000 RPM with Manley titanium retainers

What's Included

One 16-piece set of Manley Performance valve springs. Retainers are not stated as included. Fitment data lists Subaru Impreza applications for model years 2004 through 2007; verify the specific vehicle application before purchase.

Fitments:
2002 Subaru Impreza WRX
2003 Subaru Impreza WRX
2004 Subaru Impreza WRX
2004 Subaru Impreza WRX STI
2005 Saab 9-2X Aero
2005 Subaru Impreza WRX
2005 Subaru Impreza WRX STI
2006 Saab 9-2X Aero
2006 Subaru Impreza WRX
2006 Subaru Impreza WRX Limited
2006 Subaru Impreza WRX STI
2006 Subaru Impreza WRX TR
2007 Subaru Impreza WRX
2007 Subaru Impreza WRX Limited
2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2007 Subaru Impreza WRX TR
2008 Subaru Impreza WRX
2008 Subaru Impreza WRX STI
2009 Subaru Impreza WRX
2009 Subaru Impreza WRX Premium
2009 Subaru Impreza WRX STI
2010 Subaru Impreza WRX
2010 Subaru Impreza WRX Limited
2010 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI
2010 Subaru Impreza WRX STI Special Edition
2011 Subaru Impreza WRX
2011 Subaru Impreza WRX Limited
2011 Subaru Impreza WRX Premium
2011 Subaru Impreza WRX STI
2011 Subaru Impreza WRX STI Limited
2012 Subaru Impreza WRX
2012 Subaru Impreza WRX Limited
2012 Subaru Impreza WRX Premium
2012 Subaru Impreza WRX STI
2012 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: t
Units Per Sku: 1