Lang Fuel System Test Update Kit – Cummins 5.9L. For use with current fuel system test kits. Includes an OTC-style conversion adapter.
Lang Fuel System Test Update Kit – Cummins 5.9L is made for use with current fuel system test kits. The Lang Fuel System Test Update Kit includes an OTC-style conversion adapter so that pressure adapter and inlet restriction adapters can be used with existing gauges on the market.