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Manley Race Flo Valve
Race Flo valves are manufactured of XH-426 material for the exhausts and NK-842 for the intakes. This series of valves is targeted at the bracket, drag and oval track racers operating below 8000 rpm. Any engine builder successfully using EV-8 alloy (21-4N) valves will find in this series of Manley valves a superior piece at a most attractive price.
Part Type: Intake Valves
Style: Manley Race Flo Valves
Application: Chevrolet Small Block V8
Ford Small Block V8 (non-rail type rockers)
Head Diameter: 2.020"
Stem Diameter: 11/32" (.3415")
Installed Height: Standard
Overall Length: 4.911"
Material: NK-842 Stainless Intake Material
1-Piece Design: Yes
Hard Chrome Stems: Yes
Undercut Stem: Yes
Black Nitrided: No
Swirl Polished: Yes
Lock Groove Type: Conventional
Lock Groove Quantity: Single
Tip Length: .250"
Under Head Angle: 12 Degrees
Under Head Radius: .375"
Margin: .050"
Seat Width: .080"
Top of Head: 5 Degree Dish
Weight: 113 grams
Manufacturer: Manley Performance
Manufacturer's Part Number: 11566-1
Weight: 0.25 lbs.
Warranty: Race Application, No warranty expressed or implied.
Quantity: Sold as Each
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