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CSP2026

Manley 11609-8 - GM 6.6L Duramax Diesel Exhaust Valve Kit 1.300in Head Dia. 4.985in O/A Length, 0.2735in Stem

Manley  |  SKU: BBPB-11609-8
Sale price $51899 Regular price $68543

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PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Manley 11609-8 - GM 6.6L Duramax Diesel Exhaust Valve Kit 1.300in Head Dia. 4.985in O/A Length, 0.2735in Stem

Manley Valve - Exhaust, Valve-DURAMAX 6.6L E/D 1.300

Manley Valve - Exhaust, Valve-DURAMAX 6.6L Extreme Duty 1.300

Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.

  • Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
  • XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.
  • Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
  • Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
Head Diameter: 1.300
Valve Head Diameter: 1.300
Stem Diameter: 0.2735
Valve Stem Diameter: 0.2735
O/A Length: 4.985
Valve Length: 4.985
Valve Tip Length: 0.480
Tip Length: 0.480
Margin Width: 0.060
Seat Width: 0.110
Top of Head: Flat face
Valve Head Shape: Flat face
Underhead Angle: 30.00
Underhead Radius: 13/32
Valve Series: Extreme Duty Series
Valve Material: Inconel
Valve Type: Exhaust
Product Type: Engine Exhaust Valve Kit
Valve Quantity: 8
Engine Valve Quantity: 8
Engine Type: ICE
Make: GM
Engine: 6.6L Duramax Diesel

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