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Liner Set (4) Competition Grade Iron 85mm High Strength
Liner Set (4) Competition Grade Iron 85mm High Strength
$825.00
$745.00
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Valve Seat Each 2.0 Intake STD Nord and Twinspark
[605-79204]
$19.75 $17.50

These are original Standard 2.0 Intake seats.

They will work with both 45mm(1mm oversize) and 46mm (2mm oversize) valves.

For information about oversized valves & seats see section on "additional product information"

These are special alloy* racing seats for all 8-valve twinspark engines that convert to 46 or 47mm intake 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.

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