GSC Power-Division dual conical valve spring kit for the EJ WRX and STi includes 16 titanium retainers, 16 dual conical valve springs and 16 chromoly valve spring seats.
Vehicle Fitment:
EJ20/EJ25
2002-2014 Subaru WRX
2004-2021 Subaru STi
• 109lbs @ 1.303″ install height
• 259lbs @ 0.850″
Includes:
(16) Titanium Retainers
(16) Dual Conical Valve Springs
(16) Chromoly Valve Spring Seats
Part Number: | GSC5074 |
Springs: | Dual Conical |
Retainers: | Titanium |
Coil Bind: | 0.790″ |
Install Height: | 1.368 / 1.092″ |
Seat Pressure: | 95 lbs |
Open Pressure, 11.50mm Lift: | 233lbs @ 0.915″ / 0.639″ |
Maximum Valve Lift: | 0.512″ |
Max RPM: | 10,000 |
Max Boost: | 40 psi |