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Est. 1957
Manley Performance

Manley Ford 289 Exhaust Valve Kit - 1.600in Head Dia. 4.911in O/A Length, 0.3415in Stem

$218.97

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Manley Ford 289 Exhaust Valve Kit - 1.600in Head Dia. 4.911in O/A Length, 0.3415in Stem. Stainless steel construction for durability.

Key Features

  • Fits Ford 289 engines.
  • Constructed from XH-426 stainless steel for durability.
  • Features chrome stems and hard tips for improved wear resistance.
  • Swirl polished under head areas and fully machined combustion faces optimize airflow.
  • Exhaust valves are recommended for alcohol engines.
  • Head diameter is 1.600 inches, overall length is 4.911 inches, and stem diameter is 0.3415 inches.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

These Manley Race Series exhaust valves are built from XH-426 stainless steel, a strong material chosen for engines that see a lot of action, especially those running alcohol fuels. They measure 1.600 inches across the head and are 4.911 inches long overall, with a 0.3415-inch stem diameter, making them a solid choice for Ford 289 engines that need reliable performance, particularly under 8000 RPM.

The stems are chrome-plated and feature hard tips to help them hold up to wear over time. You'll also notice the under-head areas are swirl polished and the combustion faces are fully machined. This design work helps improve airflow into the cylinder and can contribute to better combustion efficiency. Manley offers these in different shapes, like the straight stem Race Master or the Race Flo, so you can pick the one that best suits your specific engine build.

Specifications

Brand
Manley Performance
Manufacturer Part #
11531-8
UPC
807298049687

Frequently Asked Questions

Manley Ford 289 Exhaust Valve Kit - 1.600in Head Dia. 4.911in O/A Length, 0.3415in Stem

$218.97