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GSC P-D 02-05 Subaru WRX EJ205 S1 Cams 270/266 Billet GSC Power Division GSC7020S1
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GSC P-D 02-05 Subaru WRX EJ205 S1 Cams 270/266 Billet

GSC7020S1
GSC7020S1
Camshafts
6 Units In Stock - Ships Next Business Day
$ 1,097.25 $ 932.66
$ 932.66

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

Request For Information

Have questions about GSC P-D 02-05 Subaru WRX EJ205 S1 Cams 270/266 Billet? Fill out the form below and we'll get back to you by the next business day.
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