GSC Power Division GSC Billet S3 Camshaft Kits | 08 – 21 STi (7026S3) GSC Power-Division

Billet S3 Camshaft set for Subaru EJ257 Dual AVCS by GSC Power-Division

GSC 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 springs. A standalone ECU or tune with speed density is

highly reccomended in order for proper idle characteristics.

Features

• Proper break in and running high zinc oil is a must on flat tappet engines
• Power range of 750-1000 WHP
• Rev range of 4500-9500 RPMs

Applications

• 2008-2021 Subaru WRX STI

What’s In The Box?

• 1 – Billet S3 Camshaft set

Warranty

• Manufacturer Standard Warranty.