GSC Power Division Valve Spring Kit Subaru WRX / STI EJ Turbo Series 2002-2021 new product autocross & track driven WRX

autocross & track driven WRX

and longevity for performance driving and track events

Part #: 9-301-1000

2003-2005 Subaru Forester X/XS

Part #: PSR-216BFWGWTSM

GSC Power Division Valve Spring Kit Subaru WRX / STI EJ Turbo Series 2002-2021 new product autocross & track driven WRXPart #: 5743 These springs are the same quality and consistency as their popular beehive spring kits. The 5743 includes a nano peened AS50 round wire that will handle 8200 RPM and boost levels up to 32 PSI on S1 or S2 profile cams. Strict quality control on the springs and the CNC machined Titanium retainers allow for excellent reliability and value. Sold as a set of 16 75lbs @ 1. 376" 195lbs @ . 433" lift Part #: 5743 Valve Spring Kit Application: