Cosworth High Performance Head Gaskets / Nissan RB25DET (2.5L / Bore = 87mm T = 1.1mm

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.