1.Cummins 4B Repair kits 2.4B, 6B, 6C, 6L 3.Cylinder head gasket and gasket kit factory 4.20 years of production history Cummins 4B Repair kits (asbestus) Our factory has 20 years manufacture experences of Cummins 4B, 6B, 6C, 6L,Steyr gasket and gasket kit. We can provide all kinds of Graphite gasket and Asbestus gasket. Annual production capacity of 300,000 pieces. OEM is welcomed, packing as ...