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: 11/32" (.3415") Installed Height: Standard Overall Length: 5.422" 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: .250" Under Head Angle: 15 Degrees Under Head Radius: .500" Margin: .075" Seat Width: .085" Top of Head: 9 Degree Dish Weight: 133 grams Manufacturer: Manley Performance Manufacturer's Part Number: 11743-1 Weight: 0.30 lbs. Warranty: Race Application, No warranty expressed or implied. Quantity: Sold as Each
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