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Manley Inconel Extreme Duty Exhaust Valves
Developed for Top Fuel and Funny Car. Perfect for big block marine, small block Chevy restricted carburetor circle track, or any application that imposes enormous heat on the valves. Exotic XtremeAlloy is required simply because of enormous heat imposed on the exhaust valve in these applications. Superior strength and fatigue resistant characteristics.
Extreme Duty XH-432 Stainless Exhaust Material
Chrome Stems Hard Tips
Fully Machined Swirl Polished
Part Type: Exhaust Valves
Style: Manley Extreme Duty Exaust Valves
Application: Chevrolet Big Block V8
Head Diameter: 1.880"
Stem Diameter: 3/8" (.3715")
Installed Height: Standard
Overall Length: 5.454"
Material: XH-432 Stainless Exhaust Material
1-Piece Design: Yes
Hard Chrome Stems: Yes
Undercut Stem: No
Black Nitrided: No
Swirl Polished: Yes
Lock Groove Type: Conventional
Lock Groove Quantity: Single
Tip Length: .220"
Under Head Angle: 10 Degrees
Under Head Radius: .375"
Margin: .065"
Seat Width: .100"
Top of Head: 6 Degree Dish
Weight: 142 grams
Manufacturer: Manley Performance
Manufacturer's Part Number: 11731-1
Weight: 0.35 lbs.
Warranty: Race Application, No warranty expressed or implied.
Quantity: Sold as Each
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