SKU: 7009R1R
GSC Power-Division Mitsubishi Evolution 8/9 4G63T 260/268 Billet R1R Rally Camshafts 2003-2006
GSC Power-Division 7009R1R Billet R1R Rally Camshafts fit 2003-2006 Mitsubishi Lancer Evolution 8/9 with 4G63T engines. These camshafts target 3000-7500 RPM for strong midrange torque and top-end power in rally conditions with 34-36mm restrictors. Intake offers 260° duration with aggressive lift while exhaust provides 268° duration for better airflow and combustion.
Key Features
- Performance Profile: 260° intake/268° exhaust duration at 1mm lift with .437 intake/.465 exhaust peak lift drives power from 3000-7500 RPM outperforming S1/S2/R2 profiles in rally torque and horsepower
- Billet Construction: Machined in-house from 1018 billet steel with dark nitride finish for wear resistance lubricity and corrosion protection under high stress
- Rally Design: Built for 34-36mm restrictor applications to increase airflow efficiency and response in competitive rally environments
- Durability: Proven in professional rally teams worldwide with consistent performance in extreme high-RPM conditions
- USA Made: Full production in the USA using CNC precision for reliable valvetrain components
Product Notes
- Requires upgraded valve springs such as GSC 5041 or 5040 Ti retainer kits to match high-lift profile and prevent valve float
- Designed for rally-modified 4G63T engines not stock turbo setups without tuning and supporting mods
- Handle with care as precision-ground surfaces ensure proper valvetrain operation
Installation Notes
- Professional installation recommended.
- Pair with GSC 5041 or 5040 titanium retainer spring kits for high-RPM stability.
- Aftermarket cam gears like AEM may need 40mm underhead length bolt for secure fitment.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2005 | Mitsubishi | Lancer | Evolution VIII MR/RS |
| 2005-2006 | Mitsubishi | Lancer | Evolution IX MR/RS |
Why Choose GSC Power-Division?
- Backed by decades of valvetrain expertise for import engines.
- Billet designs deliver consistent power in racing applications.
- In-house USA manufacturing ensures exact tolerances and quality control.
Frequently Asked Questions
-
Q: Will these camshafts fit Mitsubishi Evolution 8 and 9?
A: Yes 7009R1R fits 2003-2005 Evo 8 MR/RS and 2005-2006 Evo 9 MR/RS with 4G63T DOHC 16-valve turbo engines. -
Q: What material and finish are used?
A: 1018 billet steel cores fully CNC machined with dark nitride coating for maximum durability and reduced friction. -
Q: What supporting parts are required for install?
A: GSC 5041/5040 spring kits professional tuning upgraded turbo intercooler and exhaust plus verification of cam gear bolt length.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure custom box approx 32in x 7in x 7in
- Weight: 12 lbs
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