Upgrade your Subaru WRX STI, Legacy GT, or Forester XT with the Manley Performance Valve Spring Set, designed for enthusiasts seeking reliable high-RPM performance. This premium valve spring set is engineered to exceed OEM limits, providing the durability and strength needed for built motors running aggressive cams and larger turbos.

Crafted from high-grade steel, the set includes springs for both intake and exhaust valves, ensuring consistent valve control at elevated engine speeds. Compatible with 2002-2014 WRX, 2004-2014 Subaru WRX STI, 2005-2009 Legacy GT, and 2004-2009 Forester XT models, these springs support revs up to 10,000 RPM when paired with Manley titanium retainers (sold separately). This makes them ideal for drag racing, time trials, or spirited street driving where engine reliability and performance are critical.

Designed specifically for Subaru enthusiasts who demand more from their engines, this valve spring set is a must-have upgrade for high-performance builds. Trust Subimods for quality Subaru parts and elevate your engine’s capability with confidence. Shop now to push your limits safely and effectively.