For 08+ STi EJ25 Dual AVCS – GSC P-D Billet S2 Camshaft IN/EX Set 272-10.80/10.50mm Lift.
Intake Camshaft – 272 duration / 10.80mm lift
Exhaust Camshaft – 272 duration / 10.50mm lift
Intake Center line – 125
Exhaust Center line – 128
GSC Power-Division billet S2 camshafts for the 08+ STi EJ257 with Dual AVCS. These cams are built to suit the higher horsepower Subis. With a power range of 500 WHP 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.
- Check Pictures for cam placement. Long nose = Left Side, short nose = Right Side
- 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
This Part Fits:
| Year | Model | Submodel |
|---|---|---|
| 2008-2014 | Impreza | WRX STI |
| 2015-2016 | WRX STI | Base |
| 2015 | WRX STI | Launch Edition |
| 2015-2016 | WRX STI | Limited |
| 2016 | WRX STI | Series.HyperBlue |
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