Technical information
Product details & specifications
GSC Power Division billet WRX camshafts for the USDM STi and WRX with Intake only AVCS. GSC Power Division Billet S1 Camshaft Subaru will not drop any low end power, and will create more power and torque across the entire RPM range. Good for stock frame upgraded turbos or up to 500 WHP upgrades. GSC Power Division Billet S1 Camshaft Subaru Upgraded valve springs are required; beehive valve springs are recommended, but not required. GSC Power Division Billet WRX Camshaft
- Check Pictures for cam placement. Long nose = Left Side, short nose = Right Side
- Due to the lobe size, head castings may need to be filed down slightly for clearance - Please check during install
- Proper break in and running high zinc oil is a must on flat tappet engines
- Must be installed by an experienced technician
| 7025S1 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
| Intake | 264° | 226° | 10.80mm | 125° |
| Exhaust | 264° | 222° | 10.50mm | 115° |
Explore related parts: Subaru EJ257/EJ255 (AVCS Intake) Camshafts · EJ257/EJ255 INTAKE AVCS.
Technical resources
Use the current cam card and fitting instructions for the exact part number supplied.