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GSC Power-Division billet S3 camshafts for the Subaru EJ207 version 7 and above with single AVCS. These camshafts are designed for drag use only, fully built engines with a power range of 750-1,300 WHP and an RPM range of 4,500-9,500.
Certain engine modifications are required to utilize the true potential of the S3s: built bottom end (closed deck or sleeved), built/ported head, all supporting fueling upgrades, and aggressive dyno tuning.
- Upgraded valve springs are required.
- Cylinder head clearancing required.
- Please maintain 0.020" (0.5mm) minimum clearance from the cylinder head casting
| 7027S3 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
| Intake | 280° | 240° | 11.55mm | 130° |
| Exhaust | 280° | 241° | 11.60mm | 115° |
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.
| SKU | GSC7027S3 |
|---|---|
| Manufacturer's Part Number | GSC7027S3 |
| Brand | GSC Performance |






