GSC Billet Stroker R2 Camshafts – Mitsubishi Evolution 9 MIVEC (GSC7009R2)
The GSC Power Division billet R2 camshafts (PN GSC7009R2) are designed for Evo 9 MIVEC engines with increased displacement or stroker setups. 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 responsiveness.
- Peak Lift: 12.10mm 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
- Valvetrain Compatibility: Works with OEM rocker arms and zero-tick or factory lifters
- Power Gains: 25–30 WHP over S2 profile on stroked setups; even more with ported head and aftermarket intake manifold
- Manufacturing: Precision billet construction, made in the USA
| Camshaft | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
|---|---|---|---|---|
| Intake | 274° | 236° | 12.10mm | 130° |
| Exhaust | 274° | 236° | 12.00mm | 115° |
If you're using aftermarket cam gears—especially AEM—be sure to 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
