SKU: 7020S1 | UPC: GSC7020S1
GSC P-D 02-05 Subaru WRX EJ205 S1 Cams 270/266 Billet
GSC Power-Division S1 camshafts feature 270/266 duration profiles designed for the EJ205 engine in 2002-2005 Subaru Impreza WRX models and 2005 Saab 9-2X Aero. These billet cams boost mid-range torque and top-end power with quicker throttle response on stock turbo setups. Dyno tests show 15-25 wheel horsepower gains while keeping idle quality smooth for daily driving.
Key Features
- Billet Steel Cores: Provide exceptional strength and longevity under high RPM stress for consistent performance over time
- Intake Duration 270° @ 1mm / 9.00mm Lift: Increases airflow for stronger mid-range pull without sacrificing low-end drivability
- Exhaust Duration 266° @ 1mm / 9.00mm Lift: Enhances exhaust scavenging to support turbo spool and peak power delivery
- Stock Valve Spring Compatible: Works with factory springs up to 350whp no valvetrain upgrades required initially
- Valve Lift Clearance: Intake 0.425in exhaust 0.410in ensures safe operation with stock pistons and valves
Product Notes
- Pair with GSC timing belt kit for best results during install
- Recheck cam lobe specs after break-in for optimal lash settings
- Packaged in custom foam inserts to prevent shipping damage
Installation Notes
- Professional installation recommended.
- Set valve lash to 0.008-0.010in intake 0.010-0.012in exhaust after cam break-in
- Cam caps torque to 22 ft-lbs OEM hardware compatible
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Subaru | Impreza | WRX |
| 2005 | Saab | 9-2X | Aero |
Why Choose GSC Power-Division?
- Leaders in aftermarket camshaft design with proven track records in motorsports
- CNC machined in USA from premium billet material for exact tolerances
- Backed by dyno data and real-world testing on EJ205 platforms
Frequently Asked Questions
-
Q: Will these cams fit EJ255 engines in 2006+ WRX?
A: No these are specific to EJ205 02-05 WRX and 05 Saab 9-2X Aero only -
Q: What material are the cores made from?
A: High-strength billet steel cores with proprietary heat treatment for durability and precise lobe profiles -
Q: What warranty coverage applies?
A: Lifetime limited warranty against manufacturing defects when installed by certified shop
Shipping & Handling
- Method: UPS Ground free shipping on orders over $99
- Availability: In stock - ships same or next business day
- Packaging: Custom foam-lined box 20in x 6in x 6in
- Weight: 6.8 lbs
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