GSC Billet S1 Camshafts – Toyota Gen3 3SGTE – GSC7033S1
Midrange-Boosting Camshaft Set for Turbocharged MR2 Builds
The GSC Power-Division Billet S1 Camshafts are designed for the Gen3 Toyota 3SGTE MR2 Turbo with a shim-under-bucket valvetrain. Tailored for turbo-upgraded engines producing 300–500 WHP, these cams deliver quicker spool, stronger midrange torque, and clean top-end power all the way to 8000 RPM.
Gen4 Trigger Compatibility
GSC’s intake cam includes a pin relief and M10x1.25 set screw to support Gen4 trigger setups. To use the factory Gen4 trigger bolt, the set screw must be removed during installation.
Camshaft Specifications
| Camshaft | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
|---|---|---|---|---|
| Intake | 268° | 226° | 10.40mm | 107° |
| Exhaust | 268° | 225° | 10.40mm | 112° |
Performance Range
- Horsepower Support: 300–500 WHP
- Valvetrain Type: Shim-under-bucket
- Trigger Compatibility: Gen4 trigger with pin relief
- RPM Capability: Up to 8000 RPM
Fitment:
- 1994–1999 Toyota MR2 Turbo 2.0L Inline-4 (Gen3 3SGTE swap)
- 1994–1999 Toyota Celica GT-Four 2.0L Inline-4 (Gen3 3SGTE)
- 1996–2002 Toyota Caldina GT-T 2.0L Inline-4 (Gen3 3SGTE)
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