GSC Billet R3 Camshafts – Mitsubishi Evo 4–8 (GSC7008R3)
High-RPM Race Cams for 4G63 Drag and Mile Builds
The GSC Power Division billet R3 camshafts (PN GSC7008R3) are built for Mitsubishi Evo 4–8 engines pushing serious RPM and horsepower. Designed for use with either stock or stroked 2.0L setups, this aggressive profile thrives in the 6,500–10,500 RPM range—perfect for drag racing and standing mile applications targeting 800+ HP.
- Peak Lift: 12.00mm intake / 12.00mm exhaust
- RPM Band: 6,500–10,500 RPM
- Recommended Valve Springs: GSC5097 or GSC5098 Ti retainers with conical spring kits (based on boost level)
- Valvetrain Compatibility: Works with OEM rocker arms and zero-tick or factory lifters
- Application: Ideal for high-boost drag and mile builds with top-end power focus
- Manufacturing: Precision billet construction, made in the USA
Camshaft Specs
| Camshaft | ADV Duration | Duration @ 1mm | Peak Lift | Center Line |
|---|---|---|---|---|
| Intake | 287° | 240° | 12.00mm | 109° |
| Exhaust | 292° | 242° | 12.00mm | 115° |
Installation Tip
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:
- 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)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

