Ferrea Super Alloy Exhaust Valve 29mm Honda K20C1 — Fits 2015-2021 Honda Civic Type R

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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 Ferrea

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

Ferrea Super Alloy Exhaust Valves for Honda K20C1

When pushing your Honda K20C1 engine to its limits, exhaust gas temperatures can reach critical levels. These Ferrea Super Alloy Exhaust Valves are engineered to withstand the most punishing environments, making them an essential upgrade for high-boost turbo setups. With a 29mm head diameter and a 28-degree taper, these valves maximize flow while maintaining structural integrity under intense thermal stress.

Key Features and Specs

  • Application: Honda K20C1 (Civic Type R)
  • Valve Type: Super Alloy Exhaust
  • Head Diameter: 29mm
  • Stem Diameter: 5.47mm
  • Overall Length: 114.75mm
  • Seat Angle: 28 Degrees
  • Quantity: Set of 8

The Super Alloy material composition offers superior resistance to heat-induced cracking and valve seat recession. By upgrading to these premium valves, you ensure your K20C1 can handle increased boost pressures and aggressive ignition timing without sacrificing reliability. The precision machining ensures a perfect seal, optimizing cylinder pressure and overall engine output. These valves are designed for seamless integration into high-performance cylinder heads, providing the durability needed for track-focused builds. Whether you are chasing podiums or simply want a bulletproof engine, these valves are the ultimate solution. Trust your engine's longevity to the experts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Ferrea

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

Ferrea Super Alloy Exhaust Valves for Honda K20C1

When pushing your Honda K20C1 engine to its limits, exhaust gas temperatures can reach critical levels. These Ferrea Super Alloy Exhaust Valves are engineered to withstand the most punishing environments, making them an essential upgrade for high-boost turbo setups. With a 29mm head diameter and a 28-degree taper, these valves maximize flow while maintaining structural integrity under intense thermal stress.

Key Features and Specs

  • Application: Honda K20C1 (Civic Type R)
  • Valve Type: Super Alloy Exhaust
  • Head Diameter: 29mm
  • Stem Diameter: 5.47mm
  • Overall Length: 114.75mm
  • Seat Angle: 28 Degrees
  • Quantity: Set of 8

The Super Alloy material composition offers superior resistance to heat-induced cracking and valve seat recession. By upgrading to these premium valves, you ensure your K20C1 can handle increased boost pressures and aggressive ignition timing without sacrificing reliability. The precision machining ensures a perfect seal, optimizing cylinder pressure and overall engine output. These valves are designed for seamless integration into high-performance cylinder heads, providing the durability needed for track-focused builds. Whether you are chasing podiums or simply want a bulletproof engine, these valves are the ultimate solution. Trust your engine's longevity to the experts at GGCRACING.

Product Details

Product Description

About Ferrea

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

Ferrea Super Alloy Exhaust Valves for Honda K20C1

When pushing your Honda K20C1 engine to its limits, exhaust gas temperatures can reach critical levels. These Ferrea Super Alloy Exhaust Valves are engineered to withstand the most punishing environments, making them an essential upgrade for high-boost turbo setups. With a 29mm head diameter and a 28-degree taper, these valves maximize flow while maintaining structural integrity under intense thermal stress.

Key Features and Specs

  • Application: Honda K20C1 (Civic Type R)
  • Valve Type: Super Alloy Exhaust
  • Head Diameter: 29mm
  • Stem Diameter: 5.47mm
  • Overall Length: 114.75mm
  • Seat Angle: 28 Degrees
  • Quantity: Set of 8

The Super Alloy material composition offers superior resistance to heat-induced cracking and valve seat recession. By upgrading to these premium valves, you ensure your K20C1 can handle increased boost pressures and aggressive ignition timing without sacrificing reliability. The precision machining ensures a perfect seal, optimizing cylinder pressure and overall engine output. These valves are designed for seamless integration into high-performance cylinder heads, providing the durability needed for track-focused builds. Whether you are chasing podiums or simply want a bulletproof engine, these valves are the ultimate solution. Trust your engine's longevity to the experts at GGCRACING.

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