GSC Power-Division S2 camshafts for the Inlet AVCS EJ25. These cams are built to suite the high horsepower Subies. With a power range of 500WHP and up, you need some certain mods to utilize the true potential of the S2s. Built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required..
Due to the lobe size, head castings will need to be filled down slightly for clearance.
- Intake 272 / 230 @ .040″ / Peak Lift 10.8mm / Centerline AVCS
- Exhaust 272 / 232 @ .040″ / Peak Lift 10.4mm / Centerline 115
- Requires upgraded valve springs
*Suits 06+ WRX and 06-07 WRX STI