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SKU: 7030S1 | UPC: GSC7030S1
GSC P-D S1 2JZ-GTE Supra MK4 Turbo Cams 269/269 Billet (1993-1998 Toyota Supra Twin Turbo)
GSC Power-Division S1 cams deliver balanced performance for the 2JZ-GTE engine in 1993-1998 Toyota Supra MK4 twin turbo models. These billet cams feature 269 degree intake and exhaust duration for quick turbo spool and strong mid to high RPM power gains up to 40 wheel horsepower over stock. Direct replacement design maintains daily drivability with stock turbo setups or mild upgrades.
Key Features
- Billet 8620 Construction: Provides exceptional strength and resistance to high boost levels and RPM abuse for long-term reliability in turbo applications
- 269 Degree Duration: Advertised at 1mm lift with 264 degrees at 0.050 inch for optimized valve timing that supports fast turbo response and broad powerband
- High Valve Lift: 9.60mm intake and 9.80mm exhaust lift increases airflow for noticeable torque and horsepower improvements without sacrificing low-end manners
- Precise Lobe Centers: 112 degree intake and 110 degree exhaust centers ensure proper overlap and timing for peak efficiency in 2JZ-GTE turbo configurations
- Factory Match Valve Lash: Set intake to 0.014 inch (0.35mm) and exhaust to 0.016 inch (0.40mm) for simple tuning and consistent performance out of the box
Product Notes
- Compatible with stock valve springs up to 22 psi boost, upgrade to GSC springs for higher RPM and boost
- No core charge required, includes both intake and exhaust cams ready for install
- Boxed for protection with individual foam sleeves to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Adjust timing belt tension and verify cam timing after install using GSC degree wheel
- Works with stock rocker arms and lifters, no special hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1998 | Toyota | Supra | Twin Turbo (2JZ-GTE) |
Why Choose GSC Power-Division?
- Proven in drag racing and street builds with thousands of 2JZ engines equipped
- Dyno tested for real-world gains on stock and modified turbo setups
- CNC ground in the USA with tight tolerances for drop-in precision
Frequently Asked Questions
-
Q: Will these cams fit 1999-2002 JDM Supra MK4 with VVTi?
A: No, 7030S1 is designed for non-VVTi 2JZ-GTE engines in 1993-1998 models, use GSC 7031S1 for VVTi versions -
Q: What material are the cams made from?
A: High-strength billet 8620 alloy steel cores, nitrided finish for wear resistance and heat-treated for maximum durability -
Q: What is the warranty and install process?
A: Backed by GSC one-year warranty against defects, install requires cam removal tools, lash adjustment, and timing verification by experienced mechanic
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Foam-lined custom box measuring 24 x 7 x 7 inches
- Weight: 10 lbs
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