GSC Power Division S3 Billet Performance Camshaft Kit EJ25 GRB/F STI DAVCS GSC Power Division Roger Clark Motorsport have developed

Roger Clark Motorsport have developed the ultimate range of stock position hybrid Subaru turbos to suit EJ20

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It's all in the detail

GSC Power Division S3 Billet Performance Camshaft Kit EJ25 GRB/F STI DAVCS GSC Power Division Roger Clark Motorsport have developedGSC Power Division billet S3 camshafts for the 08+ Subaru STi EJ257 with Dual 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