Manley Performance Extreme Duty Bead Loc Groove 31mm Exhaust Valves | Ford “Coyote” 5.0L Gen I/II DOHC 4 Valve (12623B-8)

Manley Performance Extreme Duty Bead Loc Groove 31mm Exhaust Valves | Ford “Coyote” 5.0L Gen I/II DOHC 4 Valve (12623B-8)

Manley Performance
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Extreme Duty 31mm Bead Loc Groove Exhaust Valves for Ford “Coyote” 5.0L Gen I/II DOHC 4 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: 31mm
  • Stem Diameter: 0.2345in.
  • Installed Height: Stock
  • O/A Length: 4.274in.
  • Tip Length: 0.32in.
  • Underhead Angle / Radius: 25°x11/32”
  • Margin: 0.05
  • Seat Width: 0.08
  • Top of Head: 20° Dish
  • Weight: 46g

Applications

  • 2011+ Ford Mustang GT
  • 2012–2013 Ford Mustang Boss 302
  • 2011+ Ford F-150

What's In The Box?

  • 8 - Valves

Warranty

  • Limited Manufacturers Warranty

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