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Manley 11318-8 Race Series Stainless Steel Intake Valve Stem - 2.000 11/32

(2003-2010 Bentley Continental GT)

Manufacturer

Part Number

11318-8
Sale Price

$188.69

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Manley 11318-8 is a high-performance race series intake valve engineered for bracket racing, oval track, and demanding street applications. Constructed from premium NK-842 stainless steel, this valve features a chrome-plated stem and hardened tip for exceptional durability and wear resistance.

Key Specifications:

  • Valve Type: Intake
  • Head Diameter: 2.000 inches
  • Stem Diameter: .3415 inches (11/32")
  • Overall Length: 4.900 inches
  • Tip Length: .250 inches
  • Installed Height: Stock
  • Underhead Configuration: 12 degree angle x 3/8 inch radius (Pro Flo)
  • Margin: .050 inches
  • Seat Width: .080 inches
  • Top of Head: 7 degree dish
  • Weight: 109 grams

Performance Features:

  • NK-842 stainless steel construction for superior strength and heat resistance
  • Swirl polished finish for reduced friction and improved flow characteristics
  • Fully machined with undercut stem design to maximize airflow
  • Chrome stem coating for enhanced wear resistance
  • Hardened valve tip extends service life in high-performance applications

This race series valve delivers the durability and flow characteristics needed for competitive racing while maintaining reliability for aggressive street use. Always verify existing valve head and stem diameter measurements before ordering to ensure proper fitment.

Products specifications

Fits

2003-2010 Bentley Continental GT

Approximate Weight (g)

116

Lock Groove Quantity

1-groove

Lock Groove Style

Conventional

Overall Valve Length (in)

5.040 in.

Overall Valve Length (mm)

128.0mm

Quantity

Sold as a set of 8.

Swirl Polished

Yes

Undercut Stem

No

Valve Head Diameter (in)

2.020 in.

Valve Head Diameter (mm)

51.3mm

Valve Head Style

5 degree dish

Valve Material

NK-842 stainless steel

Valve Seat Width (in)

0.080 in.

Valve Stem Diameter (in)

0.342 in.

Valve Stem Diameter (mm)

8.7mm

Valve Tip Length (in)

0.290 in.

Valve Tip Length (mm)

7.37mm

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