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SKU: 7003S3 | UPC: GSC7003S3
GSC Power-Division 1990-1999 4G63T DSM Evo 1-3 Billet Cams 280/280 MPN 7003S3
GSC Power-Division billet camshafts feature a matched 280/280 profile for 4G63T engines in DSM and Evo 1-3 vehicles. These cams fit 1990-1999 Mitsubishi Eclipse GST GSX Talon TSi Laser RS Galant VR-4 and build strong mid-to-high RPM power for turbocharged setups. Expect significant horsepower and torque increases with upgraded valve springs and supporting mods.
Key Features
- Billet 8620 Steel Cores: Provide extreme strength and resistance to high boost levels and RPM abuse for long-term reliability in competition builds.
- 280° Advertised Duration / 272° @ 1mm: Balanced intake and exhaust profiles shift powerband higher for drag racing and big turbo applications.
- 11.8mm (0.465") Lift: Increases valve opening for better airflow and cylinder filling under high boost pressures.
- 112° Lobe Centers: Maintains tight lobe separation for aggressive power delivery without excessive overlap.
- Black Oxide Finish: Reduces friction and wear while protecting against corrosion in harsh engine environments.
Product Notes
- Pair with GSC valve springs and titanium retainers for safe operation above 8000 RPM.
- Valve-to-piston clearance checks required with stock pistons under high boost.
- Box dimensions 25 x 7 x 5 inches for secure transit.
Installation Notes
- Professional installation recommended.
- Replace timing belt and water pump during cam swap for reliability.
- Compatible with OEM rockers. upgraded springs mandatory for this profile.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1998 | Eagle | Talon | TSi |
| 1990-1994 | Mitsubishi | Eclipse | GS |
| 1990-1999 | Mitsubishi | Eclipse | GST |
| 1990-1999 | Mitsubishi | Eclipse | GSX |
| 1996-1999 | Mitsubishi | Eclipse | Spyder GST |
| 1991-1992 | Mitsubishi | Galant | VR-4 |
| 1990-1994 | Plymouth | Laser | RS |
| 1992-1996 | Mitsubishi | Lancer Evolution | I II III |
Why Choose GSC Power-Division?
- Proven in DSM and Evo drag racing with multiple championship wins.
- Dyno-tested profiles ensure real-world power gains on stock and built engines.
- CNC-ground in the USA for exact tolerances and consistent performance.
Frequently Asked Questions
-
Q: Will these cams fit 2G DSM GSX and Evo 3?
A: Yes, direct bolt-on for all 1990-1999 4G63T DSM 1G/2G and 1992-1996 Evo 1-3 models listed in fitment. -
Q: What material are the lobes made from?
A: Billet 8620 steel cores with nitrided lobes for maximum durability under extreme conditions. -
Q: What is the warranty and install requirements?
A: 1-year unlimited mileage warranty. requires professional install and upgraded valve train components.
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Custom foam-lined box 25 x 7 x 5 inches
- Weight: 4.8 lbs
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