BC Brian Crower Head Gasket for 4G63 Evo 4-8 (BC8211)

BC Brian Crower 0.8mm thick head gaskets for the 4G63 Evo 4-8 with 86mm bore. BC gaskets, manufactured in Japan, provide exceptional sealing even under extreme boost pressures. Made from die-cut layers of stainless steel, they offer superior consistency compared to other leading gaskets. Unlike inferior brands, which have high-profile beads prone to fatigue and leakage, BC gaskets feature a 0.2-micron layer of Nitrile rubber on pre-coated stainless steel that effectively seals the cylinder head surface. This rubber layer accommodates surface roughness between 10 to 15 microns, ensuring a perfect seal at operating temperatures. In contrast, FKM gaskets fail to fill surface irregularities due to their high heat resistance, preventing proper sealing.

Vehicle Fitment:
1996-2004 Mitsubishi Evo 4/5/6/7/8/9
CN9A Evolution IV
CP9A Evolution V VI
CT9A Evolution VII VIII
(4G63 Engine)

Purchase Includes:
(1) Head Gasket

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