GSC Cylindrical Valve Spring Kit w/ Titanium Retainers – Toyota Gen2 3SGTE – GSC5745
Drop-In Spring Kit for Shimless or Shim-Over 3SGTE Heads
The GSC Power-Division Cylindrical Valve Spring Kit is designed for Gen2 Toyota 3SGTE engines using shim-over or shimless bucket tappets. This kit includes 16 cylindrical valve springs and 16 lightweight titanium retainers, engineered for direct installation with the OEM locator.
Performance Specs
- Install Height: 1.345"
- Seat Pressure: 73 lbs
- Open Pressure: 190 lbs @ 0.936" (10.4mm lift)
- Coil Bind: 0.845"
- Max Valve Lift: 0.440"
- Max RPM: 8,500 RPM
- Max Boost: 32 psi
Fitment Note
Use only Toyota OEM keeper part #90913-03021 for proper install height. Do not substitute with 2JZ keepers, as this will alter installed height by more than 0.020" (0.5mm), reducing seat pressure.
Precision-Matched for Consistency
Each spring is nano-peened and batched by seat pressure to ensure uniform performance across all cylinders. The CNC-machined titanium retainers are built to exacting tolerances, delivering consistent pressure and long-term reliability.
Fitment:
- 1990–1993 Toyota Celica All-Trac Turbo 2.0L DOHC Inline-4 (Gen2 3SGTE)
- 1991–1995 Toyota MR2 Turbo 2.0L DOHC Inline-4 (Gen2 3SGTE)
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