Ferrea 75lb Dual Valve Spring Kit for 2002–2005 Subaru WRX EJ20 – 16-Piece Set

Description

The design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. We use high grade premium super-clean PAC alloy materials and maintain tight tolerances for those unique aftermarket cylinder heads.

Type/Material/Application: Dual Spring – Special Alloy – Turbo – Drag Racing
Outside Diameter: 20.8 mm/28 mm
Inside Diameter: 15.88 mm/20.8 mm
Seat Pressure: 75 lbs @ 39.4 mm
Open Pressure: 200 lbs @ 29.4 mm
Rate Inch: 317 lbs
Coil Bind: 21.5 mm
Max Net Lift: 15 mm
This Spring requires Ferrea Titanium Retainer # E11043 and Ferrea Spring Seat Locator # SL1034 (Discard OEM Spring Seat Locator)

Fitment:
2002:Subaru:Impreza:WRX, 
2003:Subaru:Impreza:WRX, 
2004:Subaru:Impreza:WRX, 
2005:Subaru:Impreza:WRX, 

Explore more from our collection.