With this package you can run dual hp pumps on your CDI engine. This setup has been tested on the race car at 726whp. The setup is designed to be used with stock OM613 and OM628 pumps. Frontplate/valve cover must be older model, from OM611/OM612/OM613. Please use the billet coupling for the main pump. Included parts Second pump adapter and bolts coupling to cam gear high pressure pipe between 2nd pump and rail extra connector to be welded to the rail Cheap way to run over 700hp Fit another HP pump OM611-613 & OM646-648 Main pump can be OM628 400cdi pump OM61x pump is bolt on in case of use OM64x pump, need to grind pumps to fit
