For EJ20 Non AVCS USDM – GSC P-D Billet S3 Camshaft IN/EX Set 280-11.20mm Lift.
Intake Camshaft – 280 duration / 11.20 mm lift
Exhaust Camshaft – 208 duration / 11.20 mm lift
Intake Center line – 110
Exhaust Center line – 115
- Check Pictures for cam placement. Long nose = Left Side, short nose = Right Side
- Due to the lobe size head castings will need to be machined down 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
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.