GSC Billet S1 Camshafts – Mitsubishi Evo 1–3 / DSM (GSC7003S1)
The GSC Power Division billet S1 camshafts (PN GSC7003S1) are designed for Mitsubishi Evo 1–3 and DSM platforms running stock turbos or upgrades up to GT30/50 trim. These cams deliver noticeable gains without sacrificing low-end torque, and help promote quicker spool on upgraded turbochargers.
- Power Range: Ideal for 300–450 WHP builds
- RPM Band: 3,000–8,000 RPM
- Estimated Gains: 30–55 WHP depending on turbo setup
- Idle Quality: Slightly rougher than stock
- Valve Springs: Upgraded springs recommended
- Cam Trigger: Pre-tapped for 1998 DSM cam sensor
- Manufacturing: Precision billet construction, made in the USA
Camshaft Specs
| Camshaft | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
|---|---|---|---|---|
| Intake | 268° | 216° | 11.00mm | 107° |
| Exhaust | 268° | 220° | 10.50mm | 112° |
Installation Tip
If using aftermarket cam gears—especially AEM—verify bolt clearance. Some gears may require a 40mm underhead length 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)
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