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SKU: 7033S3
GSC P-D 3SGTE Gen 3 MR2 Turbo S3 Cams 280/280 Billet 1993-1999 Toyota MR2 Turbo
GSC Power-Division S3 camshaft set upgrades the Toyota 3S-GTE Gen 3 engine in 1993-1999 MR2 Turbo models with matched 280-degree intake and exhaust duration for aggressive power delivery above 5500 RPM. These billet cams shift the powerband higher ideal for turbocharged track use while maintaining drivability. Direct bolt-in design ensures precise fitment without custom machining.
Key Features
- Billet 8620 Construction: High-strength alloy steel cores resist flex and wear under extreme boost and RPM for long-term durability
- 280/280 Duration at 0.050 inch: Equal intake and exhaust timing optimizes turbo spool and top-end pull with peak power from 7000-9500 RPM
- 11.25mm Intake / 10.50mm Exhaust Lift: Increased valve lift supports higher airflow and bigger power gains when paired with ported head and larger turbo
- 118-Degree Overlap: Enhances mid-to-high RPM torque without sacrificing low-end response in turbo applications
- 110-Degree Lobe Centers: Symmetrical timing promotes even heat distribution and valve train stability at redline
Product Notes
- Pair with GSC 7305 dual valve springs and Ti retainers for safe operation above stock RPM limits
- Break in with GSC break-in additive and 20W-50 oil then switch to 5W-30 synthetic
- Ships in protective foam-lined box to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Requires upgraded valve springs retainers and titanium valves for 9000+ RPM use
- Verify cam timing with adjustable gear set for precise lobe center alignment
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1999 | Toyota | MR2 | Turbo (SW20 3S-GTE Gen 3) |
| 1994-1999 | Toyota | Celica | GT-Four (ST205 3S-GTE Gen 3) |
Why Choose GSC Power-Division?
- USA-made with dyno-proven profiles from extensive turbo testing
- CNC-ground lobes ensure micron-level precision for repeatable results
- Limited lifetime warranty against defects covers every set
Frequently Asked Questions
-
Q: Will these cams fit USDM 1991-1995 MR2 Turbo engines?
A: Designed for Gen 3 3S-GTE only found in late JDM MR2 Turbo SW20 and ST205 Celica GT-Four, Gen 2 engines need 7022S3 cams instead -
Q: What material are the lobes made from?
A: Billet 8620 alloy steel with nitrided surface finish for maximum hardness and resistance to high-boost wear -
Q: What supporting mods are required?
A: GSC 7305 springs Ti retainers 3SGTE specific rockers and head work recommended for full power potential over 400whp
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Foam-lined cardboard box 24 x 7 x 7 inches
- Weight: 8 lbs
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