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Manley 12351-8 - Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem

Manley 12351-8 - Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem

Manley | 12351-8
SKU: BBPB-12351-8
Regular price $536.99 USD
Regular price $685.44 USD Sale price $536.99 USD
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Manley 12351-8 - Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem

Manley Valve - Exhaust, Valve-E/D BRODIX SR20? 1.800, 5.930

Manley Valve - Exhaust, Valve-Extreme Duty BRODIX SR20? 1.800, 5930

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: 1.800
Valve Head Diameter: 1.800
Stem Diameter: 0.3415
Valve Stem Diameter: 0.3415
O/A Length: 5.930
Valve Length: 5.930
Valve Tip Length: 0.250
Tip Length: 0.250
Margin Width: 0.080
Seat Width: 0.060
Top of Head: 9 Degree Dish
Valve Head Shape: 9 Degree Dish
Underhead Angle: 15.00
Underhead Radius: 1/2
Cylinder Head: BB-4/SAR, SR20
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: Chevrolet
Engine: Big Block
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