GSC Billet Stroker R2 Camshafts – Mitsubishi Evo 4–8 (GSC7008R2)
High-Lift Stroker Cams for Boosted 4G63 Builds
The GSC Power Division billet R2 camshafts (PN GSC7008R2) are purpose-built for Mitsubishi Evo 4–8 engines with added displacement or stroker configurations. Featuring a high-lift, aggressive profile with compact duration, these cams are optimized for a usable RPM range of 4,000–8,500 RPM, delivering strong midrange and top-end power without sacrificing drivability.
- Peak Lift: 12.00mm intake / 12.00mm exhaust
- Recommended Valve Springs: GSC5041 or GSC5040 Ti retainer spring kits (due to seal-to-retainer clearance)
- Boost Compatibility: GSC5041 supports 40+ psi; GSC5040 supports up to 32 psi at 8,500 RPM
- Power Gains: 25–30 WHP over S2 profile on stroked setups; more with ported head and aftermarket intake manifold
- Valvetrain Compatibility: Works with OEM rocker arms and zero-tick or factory lifters
- Manufacturing: Precision billet construction, made in the USA
Camshaft Specs
| Camshaft | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
|---|---|---|---|---|
| Intake | 274° | 236° | 12.00mm | 109° |
| Exhaust | 274° | 236° | 12.00mm | 115° |
Installation Tip
If you're running aftermarket cam gears—especially AEM—check bolt clearance. Some gear designs may require a 40mm underhead bolt due to increased thickness.
Fitment:
- 1996 - 1998 Mitsubishi Lancer Evolution IV 2.0L Turbo (4G63T)
- 1998 - 1999 Mitsubishi Lancer Evolution V 2.0L Turbo (4G63T)
- 1999 - 2001 Mitsubishi Lancer Evolution VI 2.0L Turbo (4G63T)
- 2001 - 2003 Mitsubishi Lancer Evolution VII 2.0L Turbo (4G63T)
- 2003 - 2005 Mitsubishi Lancer Evolution VIII 2.0L Turbo (4G63T)
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