IAG Single Valve Spring and Titanium Retainer Set For Subaru EJ Engine | IAG-ENG-3202

Product Fitment:  2002-2014 Subaru WRX 2004-2021 Subaru STI 2004-2013 Subaru Forester XT 2005-2012 Subaru Legacy GT 2005-2009 Subaru Outback XT IAG’s Single Valve Spring and Titanium Retainer Set reduces valvetrain weight by up to 153.6 grams and delivers increased spring pressure, allowing you to run increased boost and RPM over stock. This valve spring and retainer set is engineered for compatibility with all Subaru EJ20 and EJ25 engines. The lightweight and durable design of this set make it the ideal upgrade for race and high-performance applications. 85 lbs @ 1.320" - Seat Pressure 199 lbs @ .893" - Open Pressure Upgrading to titanium retainers offers significant performance advantages over steel options. Titanium retainers are much lighter, which increases efficiency and allows the engine to rev higher without losing control of the valvetrain. Our precision-machined titanium retainers are designed to evenly distribute the spring load across their entire surface, reducing the