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GSC7008R1-GSC Mitsubishi Evolution 4-8 4G63T Billet R1 Camshafts 268/268-Camshafts-GSC Power Division
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GSC Mitsubishi Evolution 4-8 4G63T Billet R1 Camshafts 268/268

GSC7008R1
GSC7008R1
Camshafts
9 Units In Stock - Ships Next Business Day
$ 747.30 $ 635.21
$ 635.21

SKU: 7008R1

GSC Mitsubishi Evolution 4-8 4G63T Billet R1 Camshafts 268/268

GSC Power-Division Billet R1 Camshafts deliver aggressive 268-degree intake and exhaust duration for Mitsubishi Lancer Evolution 4-8 models with 4G63T engines. These drop-in cams increase valve lift and airflow at high RPMs to produce substantial horsepower gains on turbocharged setups. Built for enthusiasts seeking track-ready performance without sacrificing drivability.

Key Features

  • Billet 8620 Construction: Provides exceptional strength and durability under extreme valvetrain stresses for reliable high-RPM operation
  • 268 Degree Duration: Intake and exhaust profiles optimize overlap and breathing for peak power above 6500 RPM
  • 11.50mm Intake / 10.80mm Exhaust Lift: Maximizes airflow volume through increased valve opening for turbo spool and top-end pull
  • Lobe Centers (108° Intake / 114° Exhaust): Balances mid-range torque with explosive high-RPM power delivery
  • Direct Bolt-On Design: Precision-ground lobes ensure perfect fitment without machine work or custom timing adjustments

Product Notes

  • Pair with upgraded valve springs like GSC S1 or higher for safe operation above stock RPM limits
  • Follow GSC break-in procedure using high-quality assembly lube for longest cam lobe life
  • Special order item expect 7-14 day lead time for production and delivery

Installation Notes

  • Professional installation recommended.
  • Verify timing belt condition and replace if worn during cam swap
  • Compatible with stock or aftermarket DOHC heads no additional hardware needed

This Part Fits

Year Make Model Submodel
1996-1998 Mitsubishi Lancer Evolution IV
1998-1999 Mitsubishi Lancer Evolution V
1999-2001 Mitsubishi Lancer Evolution VI
2001-2003 Mitsubishi Lancer Evolution VII
2003-2005 Mitsubishi Lancer Evolution VIII

Why Choose GSC?

  • Proven in professional drag racing and time attack with multiple championship wins
  • Hand-finished in the USA with tight tolerances for consistent performance
  • Custom lobe designs based on dyno testing and customer feedback

Frequently Asked Questions

  • Q: Will these cams fit Evolution 9 models?
    A: Designed specifically for Evo 4-8 4G63T heads Evo 9 compatibility requires head measurement confirmation
  • Q: What material are the camshafts made from?
    A: Billet 8620 alloy cores with nitrided surfaces for maximum wear resistance and strength
  • Q: What is the warranty and install requirements?
    A: 1-year unlimited mileage warranty requires professional installation and proper break-in

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Secure foam-lined box 29 x 8 x 6 inches
  • Weight: 11.8 lbs

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