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Manley Severe Duty Valve, Chevrolet SB, 11/32", 1.600" Exhaust, +.200" Length, Each |
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Manley Severe Duty Exhaust Valves
Manley's signature in the performance and industry. The XH-428 stainless exhaust material is offered by no competitor in the world. Ultimate tensile strength of the XH-428 at 1500 degrees F is nearly double of the competitors EV-8.
Severe Duty XH-428 Stainless Exhaust Material
Chrome Stems Hard Tips
Fully Machined Swirl Polished
Part Type: Exhaust Valves
Style: Manley Severe Duty Valves
Application: Chevrolet Small Block V8
Head Diameter: 1.600"
Stem Diameter: 11/32" (.3415")
Installed Height: +.200"
Overall Length: 5.121"
Material: XH-428 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: .070"
Seat Width: .100"
Top of Head: 9 Degree Dish
Weight: 105 grams
Manufacturer: Manley Performance
Manufacturer's Part Number: 11865-1
Weight: 0.25 lbs.
Warranty: Race Application, No warranty expressed or implied.
Quantity: Sold as Each
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