GSC S1 Billet Camshaft Set for the 2008-21 Subaru STI with Dual AVCS
GSC7026S1
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CA WARNING:
Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information go to
www.P65Warnings.ca.gov/motor-vehicle-parts.
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GSC Power-Division Billet S1 Camshafts for the 2008-21 Subaru STI EJ257B With Dual AVCS. Good for stock frame turbo or up to 500 WHP (GT35R) upgrades. Upgraded valve springs are required; GSC Beehive valve springs are recommended but not required.
Specs:
| 7026S1 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
| Intake | 264° | 226° | 10.80mm | 125° |
| Exhaust | 264° | 222° | 10.50mm | 128° |
GSC Install Recommendations:
- Check Pictures for cam placement. Long nose = Left Side. Short nose = Right Side
- Due to the lobe size, head castings will need to be filed down slightly for clearance - Please check during install
Installation Instructions
Installation Instructions
Fitment
Fitment
