GSC Power-Division Single Cylindrical Valve Spring Kit w/ Titanium Retainers - Subaru EJ20/25
The GSC Power-Division Single Cylindrical Valve Spring with Ti Retainer for the Subaru EJ platforms includes 16 titanium retainers and 16 cylindrical valve springs. These round wire springs still have the same high quality attention to detail as our popular beehive kits. The GSC5743 is nano peened and batched according to seat pressure within our specs. The lightweight titanium retainers are CNC machined with tolerances and repeatability that are unmatched by other brands. This keeps a consistent seat pressure across the head for ultimate reliability and performance.
Specifications:
Setup: Cylindrical
Coil Bind: 0.845in
Install Height (Front / Back): 1.326in / 1.326in
Seat Pressure (Front / Back): 78lbs / 78lbs
Maximum Valve Lift: 0.420in
Max Boost: 32 PSI
Features:
- Titanium Retainer
- Cylindrical Valve Spring
- Rev faster with lighter components and a more durable design
- Less stress on valvetrain components
- Higher spring frequency for more precise valve control
- More valve control equals more aggressive cam profiles
- Nano peened for faster break-in and less spring stress
Fitment:
2004-2021 Subaru STI & Type-RA
2002-2014 Subaru WRX
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