These are the low pressure rams and works on S21M dual acting only ! Chief, 601195, 601194, Auxiliary ram. Dual acting hydraulic ram. Picture is of actual item.
Replacement Chief S21M -Auxiliary Ram-Dual Acting Ram Seal Kit
Replacement Chief S21 Auxiliary Tower Ram Seal kit - For Chief ram 693847
Replacement Chief S21M Frame Machine lift Ram Seal Kit - Dual Acting
Replacement Chief S21M Frame Machine Tower Ram Dual Acting 602378 clone
Replacement Chief frame machine S21M Tower Ram Seal Kit - Dual Acting
Replacement Chief Frame Machine Auxiliary Valve For S21 Ez Liner II EZ 25