GSC Billet S3 Camshafts – Toyota 1JZ-GTE – GSC7028S3
Extreme-Output Camshaft Set for High-Boost 1JZ Builds
The GSC Power-Division Billet S3 Camshafts are engineered for the Toyota 1JZ-GTE platform and built to support serious horsepower. Designed for advanced turbo setups pushing 800–1500 WHP, these cams deliver aggressive lift and duration profiles optimized for a 5000–9000 RPM powerband.
Camshaft Specifications
| Camshaft | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
|---|---|---|---|---|
| Intake | 280° | 238° | 10.2mm | 108° |
| Exhaust | 280° | 240° | 10.6mm | 116° |
Important Requirements
- Shimless bucket tappets required
- Aftermarket valve springs required
- Cylinder head clearance must be verified
- Idle will be noticeably rougher than stock cams
Ideal for Competition Builds
If you're building a full-race 1JZ with big boost and high RPM goals, the S3 cam profile delivers the airflow and valvetrain control needed to make it happen. These billet cams are crafted for durability and precision, making them a top choice for drag, drift, and high-output street builds.
Fitment:
- 1990–1992 Toyota Supra 2.5L Turbo Inline-6 (1JZ-GTE, Japan only)
- 1990–2001 Toyota Chaser / Mark II / Cresta 2.5L Turbo Inline-6 (1JZ-GTE)
- 1992–2000 Toyota Soarer 2.5L Turbo Inline-6 (1JZ-GTE)
- 1991–1997 Toyota Aristo 2.5L Twin Turbo Inline-6 (1JZ-GTE, Japan only)
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