KENT MOORE (USA) make : Piston Ring Compressor for Cummins 5-1/2 NT PT - 7020
NT Series Cummins Engine 5-1/2
These Ring Compressors will eliminate broken rings and prevent blown engines due to improper piston installation. To use, simply close the clampshell to compress the piston ringsand insert the attached pin to lock the tool. If the pin can't be inserted, the rings aren;t compressed properly. Two convinient handles make lifting pistons and rod assemblies into postion easy. A downward push installs the pistons. The Ring Compressor works quickly and easily even on 5 ring pistons.