Manley Performance Extreme Duty Triple Groove 37.5mm Exhaust Valves | Ford 4.6L & 5.4L SOHC 3-Valve (11631-8)

Manley Performance Extreme Duty Triple Groove 37.5mm Exhaust Valves | Ford 4.6L & 5.4L SOHC 3-Valve (11631-8)

Manley Performance
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Extreme Duty 37.5mm Triple Groove Exhaust Valves for Ford 4.6L & 5.4L SOHC 3-Valve Engines by Manley Performance

Manley's Extreme Duty Exhaust Valves are constructed from XH-432 XtremeAlloy for unparalleled durability. Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance. The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.

Measurements

  • Head Diameter: 37.5mm
  • Stem Diameter: 0.2345in.
  • Installed Height: Stock
  • O/A Length: 4.585in.
  • Tip Length: 0.38in.
  • Underhead Angle / Radius: 25°x11/32”
  • Margin: 0.08
  • Seat Width: 0.1
  • Top of Head: 20° Dish
  • Weight: 68g

Applications

  • 2005–2009 Ford Mustang GT
  • 2008–2009 Mustang Bullitt
  • 2010 Ford GT
  • 2006–2010 Ford Explorer
  • 2006–2010 Ford Explorer Sport Trac
  • 2009–2010 Ford F-150

What's In The Box?

  • 8 - Valves

Warranty

  • Limited Manufacturers Warranty

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