A vibration isolator comprising: a housing having an upper portion including a top surface , a bottom portion having an inwardly extending protrusion and a bottom surface and a hollow interior; a sleeve having a hollow interior, an upper cylindrical portion and a lower flanged portion extending substantially perpendicular to the upper cylindrical portion, the lower flanged portion having a top surface and a bottom surface; a resilient core defined by: first ; second ; and third annular surfaces and two transitional surfaces in which one transitional surface extends inwardly and radially from the upper cylindrical portion to the second annular surface , and the other transitional surface extends radially outward from the second annular surface to the third annular surface , in which the second annular surface and the two transitional surfaces correspond to the inwardly extending projection of the housing , the resilient core having a hollow interior, positioned between and fixedly coupled to the bottom portion of the housing and the top surface of the lower flanged portion of the sleeve , a portion of the resilient core and the sleeve extending outwardly from the bottom portion of the housing wherein the lower flanged portion of the sleeve extends outwardly via a transitional portion which is defined by an outwardly tapered conical surface between the upper cylindrical portion and the lower flanged portion or a ninety degree angle between the upper cylindrical portion and the lower flanged portion , the inwardly extending protrusion of the housing engaging an outer surface of the resilient core ; a first bushing disposed within the interior of the sleeve , the first bushing having a flange including a bottom surface that overlays a top surface of the resilient core ; and a second bushing disposed within the first bushing . a housing having an upper portion including a top surface , a bottom portion having an inwardly extending protrusion and a bottom surface and a hollow interior; a sleeve having a hollow interior, an upper cylindrical portion and a lower flanged portion extending substantially perpendicular to the upper cylindrical portion, the lower flanged portion having a top surface and a bottom surface; a resilient core defined by: first ; second ; and third annular surfaces and two transitional surfaces in which one transitional surface extends inwardly and radially from the upper cylindrical portion to the second annular surface , and the other transitional surface extends radially outward from the second annular surface to the third annular surface , in which the second annular surface and the two transitional surfaces correspond to the inwardly extending projection of the housing , the resilient core having a hollow interior, positioned between and fixedly coupled to the bottom portion of the housing and the top surface of the lower flanged portion of the sleeve , a portion of the resilient core and the sleeve extending outwardly from the bottom portion of the housing wherein the lower flanged portion of the sleeve extends outwardly via a transitional portion which is defined by an outwardly tapered conical surface between the upper cylindrical portion and the lower flanged portion or a ninety degree angle between the upper cylindrical portion and the lower flanged portion , the inwardly extending protrusion of the housing engaging an outer surface of the resilient core ; a first bushing disposed within the interior of the sleeve , the first bushing having a flange including a bottom surface that overlays a top surface of the resilient core ; and a second bushing disposed within the first bushing . <EOS>