GSC Power Division S3 Billet Performance Camshaft Kit EJ25 GRB/F STI DAVCS GSC Power Division Available in Black and White

Available in Black and White

It's all in the detail

RCM Budget Turbo Fitting Kit

and a good engine management system

Please note that all closed deck blocks are Centre Thrust

GSC Power Division S3 Billet Performance Camshaft Kit EJ25 GRB/F STI DAVCS GSC Power Division Available in Black and WhiteGSC 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