GSC Power Division S3 Billet Performance Camshaft Kit EJ25 GRB/F STI DAVCS GSC Power Division To fit Subaru Legacy from

To fit  Subaru Legacy from 1989-1993

RCM Engineering - 14mm Stud Conversion

A Rennishaw probe is utilized to check that the case is fixtured true and once confirmed the machining process begins

It's all in the detail

• 1 x Black Oil Pump Gallery O Ring

GSC Power Division S3 Billet Performance Camshaft Kit EJ25 GRB/F STI DAVCS GSC Power Division To fit Subaru Legacy fromGSC 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