... 2.4B, 6B, 6C, 6L,Steyr 3.20 years of production history of Cummins gasket and kits. Cummins gasket 6L graphite Our factory ... has 20 years manufacture experences of Cummins 4B, 6B, 6C, 6L ... kit. We can provide all kinds of Graphite gasket and Asbestus gasket. Annual production capacity of 300,000 pieces. OEM is welcomed ...