GSC Billet S3 Camshaft set for EJ207 JDM/EURO WRX & STi V7+

GSC Power Division billet S3 camshafts for the Subaru EJ207 version 7 and above with single AVCS. These camshafts are designed for drag use only, fully built engines with a power range of 750-1,300 WHP and an RPM range of 4,500-9,500. Certain engine modifications are required to utilize the true potential of the S3s: built bottom end (closed deck or sleeved), built/ported head, all supporting fueling upgrades, and aggressive dyno tuning. Upgraded valve springs are required. GSC Power Division S3 Camshaft EJ207

• Cylinder head clearancing required. 
• Please maintain 0.020" (0.5mm) minimum clearance from the cylinder head casting