GSC P-D Dual Conical Valve Spring Set w/ Titanium Retainer & Chromoly Seats | 5074 vendor_Eibach Cryogenic Treatment Reduces Residual Stress

Cryogenic Treatment Reduces Residual Stress

Part #: DD0003P

When your factory turn signal bulbs go out

Replaceable or cleanable filter element

GSC P-D Dual Conical Valve Spring Set w/ Titanium Retainer & Chromoly Seats | 5074 vendor_Eibach Cryogenic Treatment Reduces Residual StressProduct Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STI The GSC Dual Conical Valve Spring Kit is a high performance upgrade built for the turbocharged Subaru EJ engine family (EJ20 EJ25). This kit includes dual conical valve springs, titanium retainers, and chromoly spring seatsall designed to withstand extreme valvetrain conditions and enable aggressive cam profiles, high boost levels, and elevated RPM limits. Key Features: Twin conical springs: