GSC Power Division S3 Billet Performance Camshaft Kit EJ25 GRB/F STI DAVCS Service Items_Water Pumps 1L High Compression Thick Wall

1L High Compression Thick Wall Short Engine

allowing Mafless running

Custom Cages Subaru Impreza VAB/VAF International Multipoint T45 Weld-in Roll Cage

Upgrade the rigidity of your drivetrain mounting with this genuine STI Cross Member Cushion Rubber Set

A key concern with any Subaru EJ engine

GSC Power Division S3 Billet Performance Camshaft Kit EJ25 GRB/F STI DAVCS Service Items_Water Pumps 1L High Compression Thick WallGSC 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