GSC Power-Division S2 Subaru WRX STI EJ257

GSC Power-Division S2 Subaru WRX STI EJ257

GSC Power-Division S2 camshafts for the USDM 04-07 STi. These cams are built to suite the high horsepower Subys. With a power range of 500-750WHP, 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. Dual valve springs are recommended, but a upgraded single spring kit will do the job under 8000 rpm.

Intake 272 / 226 @ .050" / Peak Lift 10.5MM / Centerline AVCS
Exhaust 272 / 232 @ .050" / Peak Lift 10.2mm / Centerline 113


*Requires upgraded valve springs*