GSC Power Division 08+ STi S1 Cams 266/264 Billet
GSC Power Division 08+ STi S1 Cams 266/264 Billet
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Emissions
California: Non-compliant parts may be used only on designated closed-course racing vehicles that are never registered for highway use.
Other: Please consult your local statutes and ordinances to ensure compliance with regional emissions standards.
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Billet S1 Camshaft set for Subaru EJ257 Dual AVCS
GSC Power-Division Billet S1 camshafts for the 2008+ STI EJ257B With Dual AVCS. Good for stock turbo or up to 500WHP(GT35R) upgrades. Upgraded valve springs are required; Beehive valve springs are recommended but not required.
Due to the lobe size, head castings will need to be filled down slightly for clearance.
Intake 266 / 225 @ .040" / Peak Lift 10.8MM / Centerline AVCS
Exhaust 264 / 222 @ .040" / Peak Lift 10.4mm / Centerline AVCS
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008 | Subaru | Impreza | 2.0R |
| 2009 - 2010 | Subaru | Impreza | 2.5 GT |
| 2010 - 2011 | Subaru | Impreza | 2.5i Premium |
| 2012 - 2014 | Subaru | Impreza | Base, Premium, Sport Limited, Limited, Sport Premium, Touring |
| 2014 | Subaru | Impreza | I Limited |
| 2013 - 2014 | Subaru | Impreza | i, I Sport |
| 2008 - 2011 | Subaru | Impreza | Outback Sport, 2.5i |
| 2009 - 2012 | Subaru | Impreza | R |
| 2008 - 2014 | Subaru | Impreza | Sport, WRX STI, WRX |
| 2010 | Subaru | Impreza | WRX GT, 2.5i Limited, WRX SE, WRX STI Special Edition |
| 2010 - 2014 | Subaru | Impreza | WRX Limited |
| 2009 - 2014 | Subaru | Impreza | WRX Premium |
| 2011 - 2014 | Subaru | Impreza | WRX STI Limited |
| 2011 | Subaru | Impreza | XV |
| 2015 - 2016 | Subaru | WRX STI | Base, Limited |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
