SKU: 7008S1 | UPC: GSC7008S1
GSC Power-Division Mitsubishi Evolution 4-8 4G63 S1 Cams 268/268 Billet
GSC Power-Division S1 Cams feature 268/268 degree duration in a billet design for Mitsubishi Lancer Evolution 4-8 models with 4G63 engines. These camshafts deliver strong mid-range power and torque gains up to 25 wheel horsepower while keeping idle quality smooth for street use. Built for enthusiasts building reliable daily performers with bolt-on performance.
Key Features
- Billet 52100 Steel Cores: High-strength material handles high RPM and heat for long-term durability in performance builds
- Proprietary Nitride Lobe Coating: Minimizes friction wear extends lobe life under valvetrain stress
- 268 Degree Duration Intake Exhaust: @1mm lift boosts torque from 3500-6500 RPM ideal for turbocharged setups
- 9.80mm Intake 9.25mm Exhaust Lift: Works with stock valve springs no clearance issues on base models
- Precision CNC Ground Lobes: Direct OEM replacement no modifications needed for quick install
Product Notes
- Confirm valve to piston clearance on high compression builds before final assembly
- Upgrade valve springs recommended above 350 wheel horsepower
- Arrives in protective foam-lined tube to prevent shipping damage
Installation Notes
- Professional installation recommended.
- Check valve spring installed heights during cam install
- Uses OEM cam gears timing components retainers
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1996-1998 | Mitsubishi | Lancer Evolution | Evolution IV |
| 1998-1999 | Mitsubishi | Lancer Evolution | Evolution V |
| 1999-2001 | Mitsubishi | Lancer Evolution | Evolution VI GTi TME |
| 2001-2002 | Mitsubishi | Lancer Evolution | Evolution VII GTi |
| 2003-2005 | Mitsubishi | Lancer Evolution | Evolution VIII MR RS |
Why Choose GSC Power-Division?
- Engineered by motorsport veterans for real-world track street results
- Made in USA with tolerances under 0.0005 inches for consistent power
- Trusted in thousands of Evo builds worldwide
Frequently Asked Questions
-
Q: Do these cams fit 2005 Lancer Evolution MR RS?
A: Yes fully compatible with all 2003-2005 Evolution VIII variants including MR RS USDM JDM models -
Q: What material and finish do the lobes have?
A: Cores from 52100 billet bearing steel lobes feature GSC black nitride coating for friction reduction and wear resistance -
Q: What warranty coverage applies?
A: 1 year unlimited mileage full camshaft warranty lifetime on lobes against defects with proper break-in installation
Shipping & Handling
- Method: UPS Ground FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Foam-lined protective tube 26 x 7 x 4 inches
- Weight: 9.6 lbs
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