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Testimonials

Janelle with live chat was quick and very helpful at finding the part I was looking for, as well as checking with the warehouse to assure proper fitment.

Ryan

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Cosworth High Performance Head Gasket - Evo X 4B11 87mm, 1.1mm - EVO X

Product Description

Cosworth High Performance Head Gaskets are engineered to seal in power under the most
demanding conditions. Constructed from stainless steel with a folded stopper layer, each application features superior sealing compared to conventional multi layer steel gaskets. Additionally, Cosworth High Performance Head Gaskets are manufactured from pre-coated die cut stainless steel resulting in uniform coating distribution and consistent shape.

This part is special order only. Please allow at least 4-8 weeks delivery
time. No express shipping is available on this part.
Specifications:

Individual die cut layers of stainless steel with superior consistency compared to lasercut 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 +/- 0.001
Die cut manufacturing process ensures smooth edges, unlike laser cut gaskets
Cosworth gaskets feature a folded stopper layer for additional sealing pressure 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
Bore = 87mm, Thickness =1.1mm