IAG Single Valve Spring Kit For EJ IAG Single Valve Spring and Titanium Retainer Set For Subaru EJ Engine

Saab: 9-2X 05 - 06 Aero, Subaru: Forester 04 - 13 XT Touring / XT Limited / 2.5 XT / XT Premium / Sports 2.5 XT / XT / XT Sports, Subaru: Outback 05 - 09 XT Limited / 2.5 XT / XT, Subaru: Impreza 02 - 14 WRX STI Special Edition / WRX Premium / WRX STI Limited / WRX Limited / WRX / WRX STI / 2.5 GT / WRX GT / WRX SE / WRX TR, Subaru: WRX 12 - 16 STI / Base / Limited, Subaru: Baja 04 - 06 Turbo, Subaru: Legacy 05 - 09 GT Limited / GT spec.B / GT, Subaru: WRX STI 13 - 21 Base / Sport-tech / Limited / Sport / STI / Type RA / Kanrai Edition / Tsurugi Edition / Launch Edition / Series.HyperBlue / S209

• (x16) IAG Single Valve Springs / (x16) IAG Titanium retainers
• May be used with OE cams or S1/S2 GSC cams or similar.
• Professional Install Required.
• Specifications: 85lbs @ 1.320" - Seat Pressure /199lbs @ .893" - Open Pressure
• 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. Note: Valve keepers/locks are NOT Included. Includes: (x16) IAG Single Valve Springs (x16) IAG Titanium retainer
• Valve keepers/locks are NOT Included

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.