Cosworth 20010707 High Performance Head Gaskets 07+ Subaru WRX STI EJ25 2.5L
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.
Note: Subaru gaskets are sold individually. Order two for a complete set.
- 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 "folded 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.
- Bore = 101mm, Thickness = 1.1mm
- MY2007 & 2008+ EJ257B specific (Marked with a "B" cut out on the bottom of the gasket and the different water passage shapes)