IAG Single Valve Spring And Titanium Retainer Set For Subaru EJ Engine

The IAG Single Valve Spring & Titanium Retainer Set reduces valvetrain weight by up to 153.6g and increases spring pressure, which enables you to run increased boost and RPM over stock. The set works with all Subaru EJ20 and EJ25 engines and should not exceed 8000RPM for safe operation. The IAG Single Valve Spring Set is used on the IAG Stage 1 - 3 Cylinder Head packages found in our 550-700 EJ25 longs blocks which are rated up to 700BHP. The spring set may be used for stock replacement or with Stage 1 and Stage 2 camshafts utilized in mild street and road race applications. Each set includes 16 single valve springs manufactured from the highest quality round chrome silicone alloy steel valve spring wire to IAG’s specifications and 16 titanium retainers machined and manufactured at our Westminster, MD facility. Reduces valvetrain weight by up to 153.6g and increases spring pressure, which enables you to run increased boost and RPM over stock. Vehicle Specific Saab: 9-2X 2005 - 2006 Subaru: Baja 2004 - 2006 Subaru: Forester 2004 - 2013 Subaru: Impreza 2002 - 2014 Subaru: Legacy 2005 - 2009 Subaru: Outback 2005 - 2009 Subaru: WRX 2012 - 2016 Subaru: WRX STI 2013 - 2021 Attributes: Brand Name: IAG Performance GTIN: 00887753836977 Grade Type: Performance Installed Pressure: 85 Open Pressure: 199 Spring Load: 85 Spring Open Height: 0.893 Spring Type: Single Spring Extended Information: Country of Origin: United States Emissions : Emissions Compliance Exempt Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: ST Dimension: 7.75 x 5.25 x 2.75 inches Weight: 1.65 POUNDS