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SKU: 7003R4
GSC P-D Mitsubishi 4G63T Evo 1-3 / 90-99 DSM R4 Camshafts 295/310 Billet (Drag Race Engine Only)
GSC Power-Division R4 camshafts deliver 295-degree intake and 310-degree exhaust duration at .050-inch lift for peak drag race power in the 4G63T engine. These billet cams install directly in Mitsubishi Lancer Evolution 1-3 and 1990-1999 DSM models like Eclipse GSX and Talon TSi. Drivers see major top-end horsepower gains above 8,000 RPM under high boost levels.
Key Features
- Billet 52100 Steel Cores: Handle extreme RPM over 9,000 and boost beyond 40 PSI in drag race builds
- 295/310 Duration @ .050: Intake 295 degrees 12.45mm (.490-inch) lift exhaust 310 degrees 12.07mm (.475-inch) lift targets high-RPM power
- DLC Coated Lobes: Cut friction and wear for reliable performance through repeated drag passes
- Drag Race Profile: Lobe shape builds power high in RPM range for quarter-mile wins
- Precision CNC Machined: Guarantees exact timing and valvetrain stability at redline speeds
Product Notes
- Drag race engine use only requires upgraded valve springs retainers and head work
- Pair with GSC valve springs and titanium retainers for full valvetrain control
- No core charge included with purchase
Installation Notes
- Professional installation recommended.
- Verify piston to valve clearance minimum 0.080-inch intake 0.100-inch exhaust
- Compatible with 7-bolt 4G63T heads stock timing components upgraded recommended
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1994 | Mitsubishi | Eclipse | GSX |
| 1995-1999 | Mitsubishi | Eclipse | GST GSX |
| 1990-1994 | Eagle | Talon | TSi |
| 1995-1999 | Eagle | Talon | TSi |
| 1992-1993 | Mitsubishi | Lancer Evolution | I |
| 1994 | Mitsubishi | Lancer Evolution | II |
| 1995-1996 | Mitsubishi | Lancer Evolution | III |
Why Choose GSC Power-Division?
- Proven in 1,000+ HP 4G63T drag cars worldwide
- Manufactured in USA with motorsport-grade materials
- Backed by extensive dyno testing and racer feedback
Frequently Asked Questions
-
Q: Will these cams fit Evo 4-9 models?
A: No these are engineered specifically for 4G63T in Evo 1-3 and 90-99 DSM 7-bolt heads Evo 4+ use different 4G63 variants -
Q: What material are the camshafts made from?
A: Billet 52100 high-chrome bearing steel cores with DLC coated lobes for strength and low friction -
Q: What is the warranty and return policy?
A: GSC provides a 1-year unlimited mileage warranty against manufacturing defects no core return required
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-lined box 24 x 6 x 4 inches
- Weight: 5.2 lbs
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