the body is a piston rod 33 which extends upward out of the casing this is the rod which would bear upon a mechanical connection or a direct connection to the bolster as the bolster moves up and down rod 33 respectively would move up and down also housed within the body or casing 30 is a piston 44 which moves vertically up and down during operation of the dampener the casing 38 includes a wiper 39 which contacts piston rod 33 to remove any oil or grease contained therein piston 44 which moves within the inner surface of sleeve 34 of the dampener has typical hydraulic interconnection as does the piston rod 33 for providing hydraulic metering or dampening such metering and dampening hydraulics are well known in the industry and shown in the patents incorporated herein by reference the piston 33 moves up and down within an upper casing opening 43 the bore 46 is sealed by the piston and the upper seal 48 the upper seal 48 and the wiper 39 work in conjunction to provide the improved dampening device of the present invention fig4 shows a cross section of an embodiment 130 of a stabilizer of the invention fig4 as previously described and.