Reinforced "Cooper" type split ring head gasket for Mini Cooper R53 volumetric engines or possibly converted to turbo.
The sealing rings are included in the package.
No machining is required on the monoblock for installation; it can be installed like a traditional gasket, just paying attention to the direction of the ring.
Racing gasket, please indicate the diameter of your piston 77 or 77.5 in the order notes