Supertech
Supertech Sodium Filled Inconel Exhaust Valve for Subaru EJ20/EJ25 - Set of 8
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Supertech Sodium Filled Inconel Exhaust Valve for Subaru EJ20/EJ25 - Set of 8
Supertech

Supertech Sodium Filled Inconel Exhaust Valve for Subaru EJ20/EJ25 - Set of 8

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SKU: SPTSEVI-1010-HS-8

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$540.10 $606.80
5400 ENTRIES10X
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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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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.

Supertech Sodium Filled Inconel Exhaust Valves for Subaru EJ20/EJ25

Experience the pinnacle of exhaust valve technology with these Supertech Sodium Filled Inconel Exhaust Valves, specifically designed for Subaru EJ20 and EJ25 engines. These valves utilize a hollow stem filled with sodium, which circulates and dissipates heat away from the valve head far more effectively than solid valves. This advanced cooling capability is essential for engines operating under extreme thermal loads, such as high-boost turbocharged or endurance racing applications.

Advanced Features:

  • Sodium Cooling: Internal sodium core dramatically improves heat transfer, preventing valve glow and distortion.
  • Inconel Construction: Made from premium Inconel alloy for exceptional strength, heat resistance, and corrosion protection.
  • Optimized for High Performance: Ideal for turbocharged, supercharged, and racing engines requiring maximum reliability.
  • Reduced Valve Float: Improved thermal stability contributes to more consistent valve operation at high RPMs.
  • Direct Replacement: Designed to fit Subaru EJ20 and EJ25 engines without modification.
  • Set of 8: Includes 8 valves for a complete cylinder head installation.

When pushing your Subaru's performance to the limit, standard components may not suffice. These Supertech Sodium Filled Inconel Exhaust Valves provide the ultimate solution for managing extreme engine temperatures. By actively cooling the valve head, they ensure structural integrity and optimal performance even under the most demanding conditions. Elevate your engine's capabilities and ensure its longevity with this cutting-edge technology.

Equip your build with the best from GGCRACING.

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.

Supertech Sodium Filled Inconel Exhaust Valves for Subaru EJ20/EJ25

Experience the pinnacle of exhaust valve technology with these Supertech Sodium Filled Inconel Exhaust Valves, specifically designed for Subaru EJ20 and EJ25 engines. These valves utilize a hollow stem filled with sodium, which circulates and dissipates heat away from the valve head far more effectively than solid valves. This advanced cooling capability is essential for engines operating under extreme thermal loads, such as high-boost turbocharged or endurance racing applications.

Advanced Features:

  • Sodium Cooling: Internal sodium core dramatically improves heat transfer, preventing valve glow and distortion.
  • Inconel Construction: Made from premium Inconel alloy for exceptional strength, heat resistance, and corrosion protection.
  • Optimized for High Performance: Ideal for turbocharged, supercharged, and racing engines requiring maximum reliability.
  • Reduced Valve Float: Improved thermal stability contributes to more consistent valve operation at high RPMs.
  • Direct Replacement: Designed to fit Subaru EJ20 and EJ25 engines without modification.
  • Set of 8: Includes 8 valves for a complete cylinder head installation.

When pushing your Subaru's performance to the limit, standard components may not suffice. These Supertech Sodium Filled Inconel Exhaust Valves provide the ultimate solution for managing extreme engine temperatures. By actively cooling the valve head, they ensure structural integrity and optimal performance even under the most demanding conditions. Elevate your engine's capabilities and ensure its longevity with this cutting-edge technology.

Equip your build with the best from GGCRACING.

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