GSC Power Division GSC Billet S1 Camshafts -INT | 08 – 21 STi (7026S1LIN) GSC Power-Division

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

Applications

• 2008+ Subaru WRX/WRX STi

What’s In The Box?

• 1 – Left Bank Intake

References

• Installation Instructions

Warranty

• GSC Power Divisions 1 Year Warranty