Supertech +1mm Oversize Inconel Exhaust Valve Set - Fits Mitsubishi 4B11 EVO X

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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

Product Details

Product Description
Part Numbers
Sizing & Fit

About Supertech

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

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Supertech +1mm Oversize Inconel Exhaust Valves for Mitsubishi 4B11 EVO X

Elevate the performance of your Mitsubishi 4B11 EVO X with this set of +1mm Oversize Inconel Exhaust Valves from Supertech. Engineered for extreme thermal loads and high-stress environments, these valves are constructed from Inconel, a premium alloy offering exceptional resistance to heat, corrosion, and fatigue. The +1mm oversize design allows for increased flow capacity, crucial for maximizing power output in modified and high-performance engines.

Key Features & Benefits:

  • Inconel Construction: Provides superior heat resistance and durability compared to standard steel valves, preventing warping and failure under extreme conditions.
  • +1mm Oversize: Increases valve head diameter for improved airflow and combustion efficiency, leading to greater horsepower and torque.
  • Engineered for EVO X: Specifically designed for the Mitsubishi 4B11 engine found in the EVO X, ensuring a perfect fit and optimal performance.
  • Set of 8: Complete set includes all eight exhaust valves required for your engine.
  • Enhanced Reliability: Built to withstand the demands of racing, track use, and aggressive street driving.

These Supertech Inconel valves are the ultimate upgrade for any serious EVO X enthusiast looking to push their engine's limits. They ensure your engine can breathe effectively even under the most demanding conditions, contributing to both power gains and long-term reliability. Don't compromise on critical engine components when building a high-performance machine.

Upgrade your EVO X with the best. Find these Supertech +1mm Oversize Inconel Exhaust Valves at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Supertech

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

Watch in action

Supertech +1mm Oversize Inconel Exhaust Valves for Mitsubishi 4B11 EVO X

Elevate the performance of your Mitsubishi 4B11 EVO X with this set of +1mm Oversize Inconel Exhaust Valves from Supertech. Engineered for extreme thermal loads and high-stress environments, these valves are constructed from Inconel, a premium alloy offering exceptional resistance to heat, corrosion, and fatigue. The +1mm oversize design allows for increased flow capacity, crucial for maximizing power output in modified and high-performance engines.

Key Features & Benefits:

  • Inconel Construction: Provides superior heat resistance and durability compared to standard steel valves, preventing warping and failure under extreme conditions.
  • +1mm Oversize: Increases valve head diameter for improved airflow and combustion efficiency, leading to greater horsepower and torque.
  • Engineered for EVO X: Specifically designed for the Mitsubishi 4B11 engine found in the EVO X, ensuring a perfect fit and optimal performance.
  • Set of 8: Complete set includes all eight exhaust valves required for your engine.
  • Enhanced Reliability: Built to withstand the demands of racing, track use, and aggressive street driving.

These Supertech Inconel valves are the ultimate upgrade for any serious EVO X enthusiast looking to push their engine's limits. They ensure your engine can breathe effectively even under the most demanding conditions, contributing to both power gains and long-term reliability. Don't compromise on critical engine components when building a high-performance machine.

Upgrade your EVO X with the best. Find these Supertech +1mm Oversize Inconel Exhaust Valves at GGCRACING.

Product Details

Product Description

About Supertech

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

Watch in action

Supertech +1mm Oversize Inconel Exhaust Valves for Mitsubishi 4B11 EVO X

Elevate the performance of your Mitsubishi 4B11 EVO X with this set of +1mm Oversize Inconel Exhaust Valves from Supertech. Engineered for extreme thermal loads and high-stress environments, these valves are constructed from Inconel, a premium alloy offering exceptional resistance to heat, corrosion, and fatigue. The +1mm oversize design allows for increased flow capacity, crucial for maximizing power output in modified and high-performance engines.

Key Features & Benefits:

  • Inconel Construction: Provides superior heat resistance and durability compared to standard steel valves, preventing warping and failure under extreme conditions.
  • +1mm Oversize: Increases valve head diameter for improved airflow and combustion efficiency, leading to greater horsepower and torque.
  • Engineered for EVO X: Specifically designed for the Mitsubishi 4B11 engine found in the EVO X, ensuring a perfect fit and optimal performance.
  • Set of 8: Complete set includes all eight exhaust valves required for your engine.
  • Enhanced Reliability: Built to withstand the demands of racing, track use, and aggressive street driving.

These Supertech Inconel valves are the ultimate upgrade for any serious EVO X enthusiast looking to push their engine's limits. They ensure your engine can breathe effectively even under the most demanding conditions, contributing to both power gains and long-term reliability. Don't compromise on critical engine components when building a high-performance machine.

Upgrade your EVO X with the best. Find these Supertech +1mm Oversize Inconel Exhaust Valves at GGCRACING.

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