Manley Performance Severe Duty 2.25in. Intake Valves | Big Block Chevrolet (12898-8)

Manley Performance Severe Duty 2.25in. Intake Valves | Big Block Chevrolet (12898-8)

Manley Performance
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Severe Duty 2.25in. Intake Valves for Big Block Chevrolet Engines by Manley Performance

Manley's Severe Duty Intake Valves are constructed from NK-844 Stainless Steel 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: 2.25in.
  • Stem Diameter: 0.311in.
  • Installed Height: 0.35 Longer
  • O/A Length: 5.594in.
  • Tip Length: 0.25in.
  • Underhead Angle / Radius: 10°x3/8”
  • Margin: 0.05
  • Seat Width: 0.08
  • Top of Head: 5° Dish
  • Weight: 132g

Applications

  • Big Block Chevrolet

What's In The Box?

  • 8 - Valves

Warranty

  • Limited Manufacturers Warranty

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