GSC Single Valve Spring Kit w/ Titanium Retainers – Toyota Gen3 3SGTE – GSC5746
Precision-Matched Spring Kit for Shim-Under 3SGTE Heads
Designed for Gen3 Toyota 3SGTE engines with shim-under bucket tappets, the GSC5746 Single Valve Spring Kit delivers reliable performance for street and mild performance builds. This drop-in kit includes 16 cylindrical valve springs and 16 lightweight titanium retainers, engineered to work seamlessly with the OEM locator.
Performance Highlights
- Install Height: 1.354"
- Seat Pressure: 70 lbs
- Open Pressure: 188 lbs @ 0.945" (10.4mm lift)
- Maximum Valve Lift: 0.452"
- Coil Bind: 0.845"
- Max RPM: 8,200 RPM
- Max Boost: 32 psi
OEM Compatibility Notice
For proper fitment, use Toyota OEM keeper part #90913-03021. Do not substitute with 2JZ keepers, as this will alter installed height by more than 0.020"/0.5mm and reduce seat pressure.
Built for Consistency and Longevity
Each spring is nano-peened and batched by seat pressure to ensure uniform performance across all cylinders. The CNC-machined titanium retainers are crafted to exacting tolerances, providing unmatched repeatability and consistent pressure across the head.
Included Components
- 16 Cylindrical Valve Springs
- 16 Titanium Retainers
Fitment:
- 1994–1999 Toyota MR2 Turbo 2.0L DOHC Inline-4 (Gen3 3SGTE)
- 1994–1999 Toyota Celica GT-Four ST205 2.0L Turbo Inline-4 (Gen3 3SGTE)
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