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Cosworth 20000931 Metal Head gasket Nissan RB25DET 87mm 1.5mm Thick Image1
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Cosworth Metal Head gasket Nissan RB25DET 87mm 1.5mm Thick

  • Multi layered metal headgasket

  • Cosworth quality & performance

  • Pre-coated with nitrile rubber

Product Details

Cosworth RB25DET metal head gasket is a high performance gasket designed to seal under high power under the most demanding conditions.  Cosworth's RB25DET head gasket is available in 87mm bore with a variety of thicknesses.  Each Cosworth RB25DET headgasket features: 

  • Individual die cut layers of stainless steel with superior consistency compared to laser cut gaskets.
  • Pre-coated stainless steel with a 0.25 micron layer of nitrile rubber ensures consistent distribution of coating with no high or low areas.
  • Manufacturing dimensional tolerance of 0.002”.
  • Die cut manufacturing process ensures smooth edges, unlike laser cut gaskets.
  • Cosworth gaskets feature a “stopper” sealing layer for additional torque around each cylinder. The width of sealing area is specific for each application thereby providing ultimate sealing properties.
  • Available in a range of thicknesses for specific applications.


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