GSC Power-Division Billet S3 Camshaft set for EJ20 JDM-EURO WRX & STi with AVCS Looms Noticeably improved engine response and

Noticeably improved engine response and acceleration

Legacy GT 2005-2014

Closed rear section to prevent oil from sloshing into the crank under hard acceleration and aggressive shifts

which could be a point for flow interruption or the structural failure that we see with other headers

• Made in the U

GSC Power-Division Billet S3 Camshaft set for EJ20 JDM-EURO WRX & STi with AVCS Looms Noticeably improved engine response andDue to the lobe size, head castings will need to be filed down slightly for clearance Please check during install 7027S3 ADV Duration Duration @ 0. 040" Peak Lift Center Line Intake 280 240 11. 55mm 130 Exhaust 280 241 11. 60mm 113