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The Perfect Supertech Mitsubishi 420a Black Nitrided Exhaust Valve - Set Of 8 [limited Qty] [bkIa4pVm]

$48.99 $156.99 -69%

Supertech Mitsubishi 420A Black Nitrided Exhaust Valves - Set of 8Enhance your Mitsubishi 420A engine with the premium quality Supertech Black Nitrided Exhaust Valves. This set of 8 valves is designed to deliver superior performance, increased flow,

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The Perfect Supertech Mitsubishi 420a Black Nitrided Exhaust Valve - Set Of 8 [limited Qty] [bkIa4pVm]

Supertech Mitsubishi 420A Black Nitrided Exhaust Valves - Set of 8

Enhance your Mitsubishi 420A engine with the premium quality Supertech Black Nitrided Exhaust Valves. This set of 8 valves is designed to deliver superior performance, increased flow, and enhanced durability. Engineered for high-performance applications, these valves are a perfect choice for car enthusiasts seeking to optimize their engine's power output.
  • High-quality black nitriding treatment for enhanced wear resistance and improved longevity
  • Seamless integration with the Mitsubishi 420A engine, providing a seamless power delivery
  • Engineered to meet or exceed OE specifications, ensuring optimal performance and reliability

The Supertech Black Nitrided Exhaust Valves are crafted with precision and feature advanced materials, guaranteeing superior performance. Each valve undergoes a black nitriding process, which creates a durable and corrosion-resistant surface. This treatment not only extends the life of the valves but also maintains their structural integrity under high temperatures and pressures.

  • Black nitriding treatment for increased durability and resistance to corrosion
  • Forged steel construction for superior strength and longevity
  • Valve seat and stem design optimized for optimal flow and reduced turbulence

The Supertech Black Nitrided Exhaust Valves are not just for show; they are designed for performance. Whether you're a track-day enthusiast or a weekend warrior, these valves can help you achieve better throttle response, increased horsepower, and smoother engine performance. The set of 8 valves is an ideal upgrade for any Mitsubishi 420A owner looking to maximize their engine's potential.

  • Optimized for improved throttle response and increased horsepower
  • Smooth and consistent engine performance under various driving conditions
  • Perfect for both street and track use, enhancing your driving experience

What Our Customers Say

January 17, 2026

Absolutely no complaints!

It’s a very good, very, very, very, very high-quality tool.

- Caswallon N..

January 17, 2026

Absolutely no complaints!

This is a very, very, very, very, very good tool.

- Nisien V..

January 17, 2026

Absolutely no complaints!

It's a solid, and a completely so reliable item.

- Goreu O..

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