For 04+ EJ25 WRX/STI Single 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 – 115
GSC Power-Division billet S2 camshafts for the USDM STi and WRX with Intake only AVCS. These cams are built to suit the high 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 turbo capable of supporting 500+ WHP. 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 |
|---|---|---|
| 2004-2007 | Impreza | WRX STI |
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