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GSC P-D Mitsubishi Evolution 9 4G63T 260/268 Billet R1R Rally Camshafts
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GSC P-D Mitsubishi Evolution 9 4G63T 260/268 Billet R1R Rally Camshafts

GSC7009R1R
GSC7009R1R
Camshafts
4 Units In Stock - Ships Next Business Day
$ 768.50 $ 653.23
$ 653.23

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

Request For Information

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