GSC Billet S2 Camshaft Set


GSC Power-Division Billet S2 camshafts for the 08+ Subaru STi EJ257 with Dual AVCS. These cams are built to suite the higher horsepower Subys. 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.

- Intake 272 / 230 @ .040" / Peak Lift 10.7MM / Centerline AVCS
- Exhaust 272 / 228 @ .040" / Peak Lift 10.4MM / Centerline AVCS


- Due to the lobe size, head castings will need to be filled down slightly for clearance.


2008-2014 STI
2015-2021 STI

More Information
Color Gray
Manufacturer GSC Power Division
Price $998.75
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