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GSC7008R4-GSC P-D Mitsubishi 4G63T Evo 4-9 R4 Camshafts 295/310 Billet (Drag Race Engine Only)-Camshafts-GSC Power Division
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GSC P-D Mitsubishi 4G63T Evo 4-9 R4 Camshafts 295/310 Billet (Drag Race Engine Only)

GSC7008R4
7008R4
Camshafts
9 Units In Stock - Ships Next Business Day
$ 747.30 $ 635.21
$ 635.21

SKU: 7008R4

GSC P-D Mitsubishi 4G63T Evo 4-9 R4 Camshafts 295/310 Billet (Drag Race Engine Only)

GSC P-D R4 camshafts provide drag race power for Mitsubishi 4G63T engines in Lancer Evolution 4-9 models. These billet units offer 295-degree intake duration and 310-degree exhaust duration with high lift for maximum airflow and horsepower in high RPM ranges. Drag builders rely on them for 1000+ hp 4G63T builds.

Key Features

  • Billet 8620 cores: Handle extreme drag race loads and high boost pressures without flexing
  • TiN coated lobes: Reduce friction wear and maintain performance over multiple seasons of hard use
  • 295/310 duration: Intake 295 degrees exhaust 310 degrees at 1mm lift for peak power above 8500 RPM
  • High lift profiles: 13.50mm intake 14.00mm exhaust lift maximizes valve opening for superior breathing
  • Drag specific design: Proven in record-setting Evo drag cars with massive top-end power delivery

Product Notes

  • For drag race engines only street use not recommended due to extreme profiles
  • Pair with GSC Super Alloy valve springs and titanium retainers for reliability
  • Verify piston to valve clearance before final assembly

Installation Notes

  • Professional installation recommended.
  • Valve lash settings Intake 0.320in Exhaust 0.340in cold
  • Compatible with stock or aftermarket DOHC 4G63T heads no special 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
2005-2006 Mitsubishi Lancer Evolution IX

Why Choose GSC Power-Division?

  • Engineers valvetrain for top drag teams and championship winners
  • Cams ground on dedicated CNC equipment for exact profiles
  • Backed by dyno data from hundreds of 4G63T installations

Frequently Asked Questions

  • Q: Will these camshafts fit my Evo 7 4G63T?
    A: Yes they bolt directly into all Evo 4-9 DOHC 4G63T cylinder heads with no modifications
  • Q: What material are the lobes and cores?
    A: Billet 8620 steel cores with hard Titanium Nitride coated lobes for heat and wear resistance
  • Q: What valvetrain upgrades are required?
    A: GSC dual valve springs minimum plus check retainer compatibility for high RPM stability

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective elongated box 24in x 6in x 6in
  • Weight: 4.8 lbs

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