• Manley Performance Valve-Severe Duty 2.080,+.100 11712-8 User 1
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Manley

Manley Performance Valve-Severe Duty 2.080,+.100

Manley Performance Valve-Severe Duty 2.080,+.100

sku: 11B2D | mpn: 11712-8
$344.07
$592.00 $344.07
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Low stock: 3 left

Emissions

This is not an emissions item.
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Small Block Chevrolet Severe Duty Valves 5/16” (.311”) Stem

  • No Need for Inserted Tips or Wear Caps
  • XH-428 Stainless Material
  • NK-844 Stainless Intake Material
  • Chrome Stems and Hard Tips
  • Swirl Polished and Fully Machined
  • Thin Stem for Increased Flow and Light Weight

Note: These .311” stem valves are ONLY available with Bead Loc keeper grooves. Bead Locvalve locks are REQUIRED.
Hollow .311” stem Gen II blank P/N 11224H can be found on page 40 to support your custom requirements

Specifications:

Type: Int.

Head Diameter: 2.080

Stem Diameter: .3110

Installed Height: .100 Longer

O / A Length: 5.010

Tip Length: .290

Underhead Angle / Radius: 12° x 3/8”

Margin: .050

Seat Width: .080

Top Of Head: 7° Dish

Wgt / Grams: 112

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