BC Brian Crower Head Gasket for 4G63 Evo 4-8 (BC8211) GSC • Fluorosilicone Diaphragm

• Fluorosilicone Diaphragm

These replacement discs can be swapped into any SB11 ACT clutch kit

• Comes Assembled for easy install

4G63 1G/2G DSM

and one non-marring key

BC Brian Crower Head Gasket for 4G63 Evo 4-8 (BC8211) GSC • Fluorosilicone DiaphragmBC 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