08+ STi S1 Cams 266/264 Billet - Left Bank Intake by GSC Power-Division
GSC Power-Division billet S1 camshafts for the 2008+ STI EJ257B With Dual AVCS. Good for stock frame turbo or up to 500 WHP (GT35R) upgrades. Upgraded valve springs are required; Beehive valve springs are recommended but not required.
Features
- Intake Duration at 0.050 Inch Lift: 268°
- Exhaust Duration at 0.050 Inch Lift: 268°
- Intake Valve Lift: 0.415"
- Exhaust Valve Lift: 0.397"
- Advertised Intake Duration: 225°
- Advertised Exhaust Duration: 225°
- Lobe Separation: 126.5°
Benefits
- Controls the opening and closing of the intake and exhaust valves
Please Note: 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
