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VALVE SEATS, 1.625" x 1.335" x .312", Ford 361/391,Truck, Industrial & Tractor, Heavy Duty Alloy "N" series, Set of four

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Calculated at checkout

Product Description

High Nickel Alloy Material, 1.625" x 1.335" x .312"

Hard Valve Seats, set of four, Heavy Duty "N" Series

Application: Universal, Ford Heavy Duty Truck, Tractor and Industrial



  • Four seats included for the listed price



This size seat is from Manley. Part Number: VS-1630E-1N

High Temp Alloy intended for heavy duty truck and industrial engines.

Superior to high chrome seats.



  • Outside Diameter: 1.625" plus press (.005" press fit in a 1.625" bore)
  • Inside Diameter, 1.335"
  • Depth" .312"
  • Radius or chamfered leading edge for ease of installation





  • N series seats are good for heavy duty industrial, truck and tractor applications.
  • High Nickel, Non Magnetic Material
  • Rockwell Rc45 and hot hardness to 1600°F.
  • Excellent for Natural Gas, LPG & Propane, Diesel and other extreme heat applications.



If you're looking for a special size seat, use the contact us link to send us a message.


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