Subaru ::::: GSC Power-Division S1 Subaru WRX STI 08+ EJ257

GSC Power-Division S1 Subaru WRX STI 08+ EJ257

GSC Power-Division S1 camshafts for the 2008+ STI EJ257B With Dual AVCS. Good for stock turbo or up to 500WHP(GT35R) upgrades. These cams require and upgraded valve spring kit to keep everything safe at high rpm.

S1 Specs-

Intake 266 / 225 @ .040" / Peak Lift 10.7MM / Centerline AVCS
Exhaust 264 / 222 @ .040" / Peak Lift 10.4mm / Centerline AVCS

*Requires upgraded valve springs*

Install to OEM shim spec's for intake and exhaust