GSC Billet S2 Camshafts – Mitsubishi Evo 1–3 / DSM (GSC7003S2)
For Big Turbo Builds and High-RPM Power
The GSC Power Division billet S2 camshafts (PN GSC7003S2) are crafted for Mitsubishi Evo 1–3 and first- and second-gen DSM platforms running larger turbos and chasing serious horsepower. These cams maintain low-end drivability while unlocking significant top-end gains—50–70 WHP over stock cams, with even more potential at higher RPMs.
Performance Highlights
- Power Range: Ideal for 400–700 WHP builds
- RPM Band: 4,000–9,000 RPM (2.0L) or 3,000–8,000 RPM (2.2L+)
- Valve Springs: Recommended with GSC upgraded beehive springs; compatible with stock springs at factory boost and rev limit
- Cam Trigger: Pre-tapped for 1998 DSM cam sensor
- ECU Compatibility: Can run on factory ECU with custom flash tuning
- Manufacturing: Precision billet construction, made in the USA
Camshaft Specs
| Camshaft | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
|---|---|---|---|---|
| Intake | 274° | 230° | 11.20mm | 107° |
| Exhaust | 274° | 230° | 11.00mm | 113° |
Installation Tip
If you're running aftermarket cam gears—especially AEM—double-check bolt clearance. Some gears may require a 40mm underhead bolt due to increased thickness.
Fitment:
- 1992 - 1993 Mitsubishi Lancer Evolution I 2.0L Turbo (4G63T)
- 1994 - 1995 Mitsubishi Lancer Evolution II 2.0L Turbo (4G63T)
- 1995 - 1996 Mitsubishi Lancer Evolution III 2.0L Turbo (4G63T)
- 1995 - 1999 Mitsubishi Eclipse GS-T/GSX 2.0L Turbo (4G63T)
- 1990 - 1994 Mitsubishi Eclipse 2.0L Turbo (4G63T)
- 1990 - 1998 Eagle Talon TSi 2.0L Turbo (4G63T)
- 1990 - 1994 Plymouth Laser RS Turbo 2.0L Turbo (4G63T)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

