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Valve Seat Each 2.0 Exhaust Standard 2.0 NORD
[607-11522]
$19.75 $16.50

These are original Standard 2.0 Exhaust seats.

  • These are special alloy* racing seats for all NORD HEADS with 40 or 41 mm exhaust valves.
  • Will also work with smaller 38mm exhaust valves.
  • Can also be used on 8-valve twinspark engines that convert to 40 or 41 mm oversize exhaust valves.

*Modified M2 Tool Steel, which utilizes a blend of three types of carbide materials to provide outstanding wear resistance for valve seat insert application.  Molybdenum and Tungsten carbides are both harder and more thermally stable than chromium carbides.  They also form a carbide structure to impart more stability to the base material.  Vanadium carbides are also added to provide greater wear resistance without affecting the machineability of the product.  This Iron based insert allows for excellent heat transfer.  T-series hardness run @ 42 Rc and is currently the industry choice when mated with premium or Inconel valves.

8-valve twinspark engines that convert to 46 or 47mm intake valves.

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