GSC Billet S3 Camshaft set for Subaru EJ255/7 with Intake AVCS litter box house Thousands of hours went into

Thousands of hours went into developing a unique & delicious blend

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GSC Billet S3 Camshaft set for Subaru EJ255/7 with Intake AVCS litter box house Thousands of hours went intoGSC Power Division billet S3 camshafts for the USDM STi and WRX with Intake only AVCS. These camshafts are built to suit high horsepower cars with a power range of 750 1000 WHP and a rev range of 4500 9500 RPMs. Specific engine modifications are required to utilize the true potential of these camshafts including a built bottom end (sleeved or closed deck reccomended), built ported heads (casting must be clearanced for higher lift), and upgraded valve