Powerflex PFF19-2224 Lower Torque Mount Large Bush InsertPowerflex PFF19 2224 Lower Torque Mount Large Bush Insert Part Number: PFF19 2224 Product Notes (if required): Testing during the development of the engine mount to determine stiffness and the effect of fitting a Powerflex insert. In our Red 65 Shore A material, the movement of the engine mount is reduced by almost half for a given load by the engine. For ultimate engine stability we recommend using our complete engine mount PFF19 2222. Size (if