GSC Power Division

GSC Power Division EJ Series +1mm Chrome Polished Exhaust Valve Set — Fits Subaru EJ205 EJ207 EJ257

GSC Power Division EJ Series +1mm Chrome Polished Exhaust Valve Set — Fits Subaru EJ205 EJ207 EJ257
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GSC Power Division EJ Series +1mm Chrome Polished Exhaust Valve Set — Fits Subaru EJ205 EJ207 EJ257
GSC Power Division

GSC Power Division EJ Series +1mm Chrome Polished Exhaust Valve Set — Fits Subaru EJ205 EJ207 EJ257

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SKU: GSC2013-8
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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 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.

High-Performance Exhaust Valves for Subaru EJ Series

Upgrade your Subaru engine's valvetrain with the GSC Power Division Chrome Polished Exhaust Valve Set. Designed specifically for the EJ205, EJ207, and EJ257 engines, these valves feature a 33mm head diameter, providing a +1mm oversized profile to improve exhaust flow and engine efficiency. Engineered for enthusiasts who demand reliability under high-boost conditions, these valves are a critical component for any performance rebuild.

Key Features and Benefits

  • Oversized Design: 33mm head (+1mm) allows for increased exhaust gas velocity and improved scavenging.
  • Chrome Polished Finish: Reduces friction and promotes smoother airflow, minimizing carbon buildup.
  • Premium Construction: Built to withstand the extreme thermal stresses of turbocharged Subaru applications.
  • Complete Set: Includes 8 high-quality exhaust valves for a full cylinder head refresh.

Whether you are building a street-strip monster or a dedicated track car, these valves provide the strength and precision required for high-RPM operation. Ensure your engine breathes better and lasts longer with these precision-engineered components. For all your high-performance automotive needs, trust the experts 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.

High-Performance Exhaust Valves for Subaru EJ Series

Upgrade your Subaru engine's valvetrain with the GSC Power Division Chrome Polished Exhaust Valve Set. Designed specifically for the EJ205, EJ207, and EJ257 engines, these valves feature a 33mm head diameter, providing a +1mm oversized profile to improve exhaust flow and engine efficiency. Engineered for enthusiasts who demand reliability under high-boost conditions, these valves are a critical component for any performance rebuild.

Key Features and Benefits

  • Oversized Design: 33mm head (+1mm) allows for increased exhaust gas velocity and improved scavenging.
  • Chrome Polished Finish: Reduces friction and promotes smoother airflow, minimizing carbon buildup.
  • Premium Construction: Built to withstand the extreme thermal stresses of turbocharged Subaru applications.
  • Complete Set: Includes 8 high-quality exhaust valves for a full cylinder head refresh.

Whether you are building a street-strip monster or a dedicated track car, these valves provide the strength and precision required for high-RPM operation. Ensure your engine breathes better and lasts longer with these precision-engineered components. For all your high-performance automotive needs, trust the experts 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.

High-Performance Exhaust Valves for Subaru EJ Series

Upgrade your Subaru engine's valvetrain with the GSC Power Division Chrome Polished Exhaust Valve Set. Designed specifically for the EJ205, EJ207, and EJ257 engines, these valves feature a 33mm head diameter, providing a +1mm oversized profile to improve exhaust flow and engine efficiency. Engineered for enthusiasts who demand reliability under high-boost conditions, these valves are a critical component for any performance rebuild.

Key Features and Benefits

  • Oversized Design: 33mm head (+1mm) allows for increased exhaust gas velocity and improved scavenging.
  • Chrome Polished Finish: Reduces friction and promotes smoother airflow, minimizing carbon buildup.
  • Premium Construction: Built to withstand the extreme thermal stresses of turbocharged Subaru applications.
  • Complete Set: Includes 8 high-quality exhaust valves for a full cylinder head refresh.

Whether you are building a street-strip monster or a dedicated track car, these valves provide the strength and precision required for high-RPM operation. Ensure your engine breathes better and lasts longer with these precision-engineered components. For all your high-performance automotive needs, trust the experts at GGCRACING.

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