GSC EJ WRX/STi Conical Dual Valve Spring Kit (5074)
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
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 |
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