GSC Billet S1 Camshafts – Mitsubishi Evolution 9 MIVEC (GSC7009S1)
The GSC Power Division billet S1 camshafts (PN GSC7009S1) are crafted for Evo 9 MIVEC setups running anything from the factory turbo to GT30/GT50 trim upgrades. These cams retain low-end torque while enhancing spool and midrange response—25–40 WHP gains have been recorded simply by installing the S1 profile, depending on turbo size.
- RPM Range: 3,000–8,000 RPM
- Turbo Compatibility: Stock turbo to GT30/GT50 trim
- Valve Springs: Compatible with OEM springs
- Power Range: Ideal for 300–450 WHP builds
- Manufacturing: Precision billet construction, made in the USA
| Camshaft | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
|---|---|---|---|---|
| Intake | 268° | 216° | 11.00mm | 128° |
| Exhaust | 268° | 220° | 10.50mm | 113° |
If you're using aftermarket cam gears—especially AEM—check bolt clearance. Some gear designs may require a 40mm underhead bolt due to increased thickness.
Fitment:
- 2005 Mitsubishi Lancer Evolution IX 2.0L Turbo MIVEC (4G63T)
- 2006 Mitsubishi Lancer Evolution IX 2.0L Turbo MIVEC (4G63T)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

