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Manley 11823-8 Severe Duty Stainless Steel Exhaust Valve 1.600" 11/32" Stem

(2010-2011 Mazda 3)

Manufacturer

Picture for manufacturer Manley

Part Number

11823-8
15 reviews
Sale Price

$301.07

Estimated ship date Tuesday, November 24

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Fitment guaranteed

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Product Details

The Manley 11823-8 Severe Duty performance exhaust valve is engineered for high-performance race engines demanding maximum durability and flow. Precision-machined from premium XH-428 stainless steel, this valve features a chrome-plated stem and hardened tip to withstand extreme operating conditions.

Key Features:

  • XH-428 stainless steel construction for superior strength and heat resistance
  • Chrome stem plating reduces friction and wear
  • Hardened valve tip extends service life
  • Undercut stem design increases airflow and reduces weight
  • Swirl polished finish for optimal flow characteristics
  • Fully machined to exacting tolerances

Specifications:

  • Valve Type: Exhaust
  • Head Diameter: 1.600 inches
  • Stem Diameter: .3415 inches (11/32")
  • Overall Length: 5.036 inches
  • Installed Height: .100 inches longer than stock
  • Tip Length: .250 inches
  • Underhead Angle/Radius: 12 degrees x 3/8 inch (Pro Flo)
  • Margin: .085 inches
  • Seat Width: .100 inches
  • Top of Head: 7 degree dish
  • Weight: 100 grams

Ideal for racing applications where valve reliability and performance are critical. Part of Manley's Severe Duty Series, trusted by engine builders and racers worldwide.

Products specifications

Fits

2010-2011 Mazda 3

Approximate Weight (g)

100

Lock Groove Quantity

1-groove

Lock Groove Style

Conventional

Overall Valve Length (in)

5.036 in.

Overall Valve Length (mm)

127.914mm

Quantity

Sold as a set of 8.

Swirl Polished

Yes

Undercut Stem

Yes

Valve Head Diameter (in)

1.600 in.

Valve Head Diameter (mm)

40.640mm

Valve Head Style

7 degree dish

Valve Material

XH-428 stainless steel

Valve Seat Width (in)

0.100 in.

Valve Stem Diameter (in)

0.341 in.

Valve Stem Diameter (mm)

8.661mm

Valve Tip Length (in)

0.250 in.

Valve Tip Length (mm)

6.350mm

Exactly as described.

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The order was easy and shipment was fast.They had what i was looking for at a great price.

Excellent experience. Shipped when they said it would ship. Very good web site to navigate through.<br>Thank you, Autoplicity

Great product at a a great price!

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Sweet price and in stock :

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