GSC Power Division Valve Spring Kit Subaru WRX / STI EJ Turbo Series 2002-2021

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: Subaru EJ turbo series engines