GSC Power-Division Single Valve Spring Kit for FA20 WRX/BRZ/FRS
GSC Power-Division Single Cylindrical Spring kit for the Subaru 2015+WRX, BRZ, Scion FRS and Toyota FT86 using the new 2.0L NA boxer engine.
These are great for boosted applications or high revving NA engines needing more spring without breaking the bank.
- IN: 89 lbs @ 1.279" / EX: 88 lbs @ 1.283" install height
- IN: 182 lbs @ 0.846" / EX: 181 lbs @ 0.850"
Check your valve spring install heights here

*Flip phone to landscape to see full table!*
GSC5756 Cylindrical Valve Spring Kit with Ti Retainer for the Subaru FA20 | |||||
Setup | Coil Bind (in) | Install Height (in) | Seat Pressure (lbs) | Open Pressure, 11.0mm lift | Maximum Valve Lift (in) |
Cylindrical | 0.782 | 1.279 / 1.283 | 89 / 88 | 182lbs @ 0.846" / 181lbs @ 0.850" | 0.433 |
- Max RPM: 8,200 RPM
- Max boost: 20 psi
The GSC Power-Division Single Cylindrical Valve Spring Kit with Ti Retainers for the Subaru 2015+WRX, BRZ, Scion FRS and Toyota FT86 using the new 2.0L NA boxer engine includes 16 titanium retainers, 16 cylindrical valve springs, and 16 spring seats. These round wire springs still have the same high quality attention to detail as our popular beehive kits. The GSC5756 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.