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Cometic Nissan RB25 6-Cylinder 87mm .051" MLS Head Gasket (C4318-051)

$180.99 $201.10
-10%
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Cometic Nissan RB25 6-Cylinder 87mm .051" MLS Head Gasket (C4318-051)
$180.99 $201.10
$180.99 $201.10

Fits Nissan RB25 6-cylinder engines.

The Cometic Multi-Layer Steel (MLS) head gasket provides superior sealing performance for high-output Nissan RB25 engines. Engineered to withstand the extreme cylinder pressures of performance builds, this gasket utilizes three or more layers of embossed stainless steel to maintain a reliable seal between the head and block. The outer layers are coated with a 250°C (482°F) heat-resistant Viton rubber (fluoroelastomer) to accommodate various surface finishes and load conditions.

Designed for use with both aluminum-to-aluminum and aluminum-to-cast iron combinations, the MLS construction effectively resists the shearing forces caused by differing thermal expansion rates. This gasket requires no additional sealants and is engineered to provide an even load distribution, resulting in less bore distortion and improved ring seal.

  • Bore Size: 87mm
  • Compressed Thickness: 0.051 in
  • Construction: Multi-Layer Steel (MLS) with embossed outer layers
  • Material: Viton-coated stainless steel outer layers with an uncoated stainless shim
  • Manufacturer Part Number: C4318-051
  • Heat Resistance: Up to 250°C / 482°F
  • Corrosion resistant and maintains tension without retorquing

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