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Manley 11642-10 Race Series NK-842 Stainless Steel Intake Valve Pro Flo 2.000 in. Head

Manufacturer

Picture for manufacturer Manley

Part Number

11642-10
6 reviews
Sale Price

$248.08

2 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Manley 11642-10 is a Race Series stainless steel intake valve built for bracket racing, oval track competition, and high-performance street engines. Constructed from NK-842 stainless steel with a chrome stem and fully hardened tip, this valve delivers the durability and precision demanded by serious engine builders.

Key Specifications:

  • Valve Type: Intake
  • Head Diameter: 2.000 in.
  • Stem Diameter: 0.3415 in. (11/32)
  • Overall Length: 4.900 in.
  • Tip Length: 0.250 in.
  • Installed Height: Stock
  • Underhead Angle/Radius: 12 degrees x 3/8 in. (Pro Flo)
  • Margin: 0.050 in.
  • Seat Width: 0.080 in.
  • Top of Head: 7-degree dish
  • Weight: 109 grams

Key Features:

  • NK-842 stainless steel construction for superior heat and wear resistance
  • Chrome stem for enhanced durability and reduced friction
  • Hardened valve tip for long-term valvetrain reliability
  • Swirl-polished underhead area to optimize airflow
  • Fully machined combustion face for precision sealing
  • Undercut stem design (Pro Flo) for improved flow characteristics

Sold individually. Note: Always measure existing valve head diameter and stem diameter before ordering to ensure proper fitment.

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