Introduction

2002-2005 WRX EJ20 S3 Billet Camshafts by GSC Power-Division

GSC Power-Division billet S3 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suit the high horsepower Subys. With a power range of 700 WHP and up, you need some certain mods to utilize the true potential of the S3s: 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.

Features

• ADV Duration (Intake): 280
• ADV Duration (Exhaust): 280
• Duration @ 0.040″ (Intake): 242
• Duration @ 0.040″ (Exhaust): 244
• Peak Lift (Intake): 11.28mm
• Peak Lift (Exhaust): 11.28mm
• Center Line (Intake): 110
• Center Line (Exhaust): 115

Please Note: Image may be generic.

Due to the lobe size, head castings will need to be filed down slightly for clearance – Please check during install

Proper break in and running high zinc oil is a must on flat tappet engines Must be installed by an experienced technician

Applications

• 2002 – 2005 Subaru WRX (EJ20)

What’s In The Box?

• 2 – Intake Camshafts
• 2 – Exhaust Camshafts

Warranty

• Manufacturer Standard Warranty