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GSC Stage 1 Camshaft Set for 2008-16 Subaru STI with Dual AVCS
The GSC Power-Division Billet Stage 1 cams are specifically manufactured for the 2008-16 Subaru STI with the EJ257B Dual AVCS engine. The camshafts are a good choice for STI's with the OEM turbo or up to 500 Wheel Horsepower (GT35R / Style) upgrades. The GSC S1 cams require the head castings to be filed down slightly for clearance of the larger lobe sweep. Upgraded valve springs are required (Do not reuse OEM), Beehive style valve springs are recommended for optimal performance but not required.
Intake 266 / 225 @ .040" / Peak Lift 10.7MM / Centerline AVCS
Exhaust 264 / 222 @ .040" / Peak Lift 10.4mm / Centerline AVCS
*Install to OEM shim spec's for intake and exhaust
*Check Pictures for cam placement. Long nose= Left Side. Short nose = Right Side
Model Year & Fitment
2008 Subaru STI
2009 Subaru STI
2010 Subaru STI
2011 Subaru STI
2012 Subaru STI
2013 Subaru STI
2014 Subaru STI
2015 Subaru STI
2016 Subaru STI
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Brian Crower Stage 2 272 Degree Cams for 2008-16 Subaru STI
Cosworth S2D Grind Camshafts For Dual AVCS 2008-16 Subaru STI
GSC Stage 2 Camshaft Set for 2008-16 Subaru STI with Dual AVCS
Tomei Procam 270 Degree Dual AVCS Camshafts For 2008-16 Subaru STI
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Integrity Auto Group Inc.