GSC Conical Valve Spring Kit w/ Titanium Retainers – Toyota 3SGTE – GSC5067
Race-Ready Conical Spring Kit for Shimless/Over-Bucket 3SGTE Heads
The GSC Power-Division Conical Valve Spring Kit is designed specifically for Toyota 3SGTE engines using shimless or shim-over bucket tappets. This complete kit includes 16 conical valve springs and 16 titanium retainers, engineered to handle high boost and high RPM conditions with confidence.
Performance Specs
- Install Height: 1.300"
- Seat Pressure: 90 lbs
- Open Pressure: 225 lbs @ 0.891" (10.4mm lift)
- Coil Bind: 0.807"
- Max Valve Lift: 0.433"
- Max RPM: 10,000 RPM
- Max Boost: 50 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.
Why Conical Springs?
Conical springs outperform traditional cylindrical and beehive designs by naturally dampening valvetrain harmonics. Their tapered coil geometry helps absorb shock and reduce stress, extending component life and improving stability at high RPM.
Built for Extreme Conditions
Each spring undergoes a multi-stage heat treatment and super-finishing process to maximize durability and performance. Whether you're chasing higher RPMs or running aggressive cam profiles, this kit is built to keep up with the demands of modern turbocharged engines.
Fitment:
- 1990–1993 Toyota Celica All-Trac Turbo 2.0L DOHC Inline-4 (3SGTE)
- 1994–1999 Toyota MR2 Turbo 2.0L DOHC Inline-4 (3SGTE)
- 1990–1999 Toyota Caldina GT-T 2.0L Turbo Inline-4 (3SGTE, Japan only)
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