BC Brian Crower Head Gasket for 4G63 Mitsubishi Evo 9 (BC8213) Hallman the Twin Pump Kit is

the Twin Pump Kit is a testament to engineering excellence

the cast manifold has a big lip on the runners

The result is a constant “valve open” mode

test fitting without research

they are different between 7 and 8/9

BC Brian Crower Head Gasket for 4G63 Mitsubishi Evo 9 (BC8213) Hallman the Twin Pump Kit isBC Brian Crower offers 0. 8mm thick head gaskets for the 4G63 Evo 9 with an 86mm bore, providing exceptional sealing under extreme boost pressures. Manufactured in Japan, these gaskets are made from die cut layers of stainless steel, ensuring superior consistency compared to other leading brands. Unlike inferior gaskets with high profile beads prone to fatigue and leakage, BC gaskets feature a 0. 2 micron layer of Nitrile rubber on pre coated