GSC S3 Billet Camshaft Set – Subaru WRX EJ205 Version 5/6 (GSC7020S3)
Designed for Extreme Power EJ Builds
The GSC Power-Division S3 Billet Camshaft Set is built for Subaru EJ205 engines in WRX Version 5 and 6. These aggressive cams are ideal for high-horsepower setups pushing 700 WHP and beyond. To fully utilize their potential, a built motor, ported heads, and a solid engine management system are essential.
Installation Notes & Requirements
- Upgraded valve springs required – beehive springs are recommended but not mandatory
- Head castings may require minor clearance work due to lobe size
- Flat tappet engines must use high-zinc oil and follow proper break-in procedures
- Professional installation strongly advised
Camshaft Identification
Refer to product images for cam placement:
Long nose = Left Side
Short nose = Right Side
Camshaft Specifications
| Camshaft | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
|---|---|---|---|---|
| Intake | 280° | 241° | 11.20mm | 110° |
| Exhaust | 280° | 240° | 11.20mm | 115° |
Fitment Guide
- 1999–2001 Subaru WRX 2.0L Turbo DOHC (EJ205 Version 5)
- 2000–2001 Subaru WRX 2.0L Turbo DOHC (EJ205 Version 6)
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