GSC Power Division

GSC Power Division 4G63T Exhaust Valve 30.5mm STD — 90-06 Mitsubishi Eclipse Lancer Evo

GSC Power Division 4G63T Exhaust Valve 30.5mm STD — 90-06 Mitsubishi Eclipse Lancer Evo
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GSC Power Division 4G63T Exhaust Valve 30.5mm STD — 90-06 Mitsubishi Eclipse Lancer Evo
GSC Power Division

GSC Power Division 4G63T Exhaust Valve 30.5mm STD — 90-06 Mitsubishi Eclipse Lancer Evo

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SKU: GSC2005-01
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches
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Product Description
Part Numbers
Sizing & Fit

About GSC Power Division

GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.

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Super Alloy Exhaust Valve for 4G63T

Maintain peak engine efficiency with the GSC Power Division Super Alloy Exhaust Valve. Designed specifically for the Mitsubishi 4G63T platform, this 30.5mm standard-size valve is built to handle the intense heat and pressure of high-performance forced induction. The super alloy construction offers exceptional resistance to thermal fatigue, ensuring your engine remains reliable under heavy load.

Technical Specifications:

  • Material: High-temperature Super Alloy for maximum durability.
  • Size: 30.5mm head diameter (Standard OEM replacement).
  • Finish: Chrome-polished for reduced drag and improved exhaust gas flow.
  • Application: Direct fit for 4G63T cylinder heads.

This single valve is an ideal replacement for damaged or worn components during a cylinder head rebuild. By choosing GSC Power Division, you are investing in industry-leading valve technology that prevents valve failure in high-boost setups. Whether you are restoring a classic DSM or tuning a Lancer Evolution, this valve provides the heat resistance necessary for sustained performance. Find your engine components at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About GSC Power Division

GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Super Alloy Exhaust Valve for 4G63T

Maintain peak engine efficiency with the GSC Power Division Super Alloy Exhaust Valve. Designed specifically for the Mitsubishi 4G63T platform, this 30.5mm standard-size valve is built to handle the intense heat and pressure of high-performance forced induction. The super alloy construction offers exceptional resistance to thermal fatigue, ensuring your engine remains reliable under heavy load.

Technical Specifications:

  • Material: High-temperature Super Alloy for maximum durability.
  • Size: 30.5mm head diameter (Standard OEM replacement).
  • Finish: Chrome-polished for reduced drag and improved exhaust gas flow.
  • Application: Direct fit for 4G63T cylinder heads.

This single valve is an ideal replacement for damaged or worn components during a cylinder head rebuild. By choosing GSC Power Division, you are investing in industry-leading valve technology that prevents valve failure in high-boost setups. Whether you are restoring a classic DSM or tuning a Lancer Evolution, this valve provides the heat resistance necessary for sustained performance. Find your engine components at GGCRACING.

Product Details

Product Description

About GSC Power Division

GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Super Alloy Exhaust Valve for 4G63T

Maintain peak engine efficiency with the GSC Power Division Super Alloy Exhaust Valve. Designed specifically for the Mitsubishi 4G63T platform, this 30.5mm standard-size valve is built to handle the intense heat and pressure of high-performance forced induction. The super alloy construction offers exceptional resistance to thermal fatigue, ensuring your engine remains reliable under heavy load.

Technical Specifications:

  • Material: High-temperature Super Alloy for maximum durability.
  • Size: 30.5mm head diameter (Standard OEM replacement).
  • Finish: Chrome-polished for reduced drag and improved exhaust gas flow.
  • Application: Direct fit for 4G63T cylinder heads.

This single valve is an ideal replacement for damaged or worn components during a cylinder head rebuild. By choosing GSC Power Division, you are investing in industry-leading valve technology that prevents valve failure in high-boost setups. Whether you are restoring a classic DSM or tuning a Lancer Evolution, this valve provides the heat resistance necessary for sustained performance. Find your engine components at GGCRACING.

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