particular as a rectangular toroid body but is not limited thereto in other embodiments the main body may have a trapezoidal a circular or any other acceptable shaped transverse cross section still referring to fig1 and 2 the spring damper material 112 includes a compressible material in at least the first rib 116 the second rib 118 and the compressible portion 126 the compressible material includes one or more of an elastomeric material a hyperfoam material and a nylon each of these materials may be any such materials that are suitable to absorb and or damp the vibrations generated by the shaft and can withstand the general conditions experienced by the shaft such as temperature changes road conditions etc the elastomeric material may be or include one or more of a styrene butadiene rubber a natural rubber a nitrile butadiene rubber an ethylene propylene diene rubber epdm an ethylene acrylic elastomer a hydrogenated nitrile butadiene rubber and a polycholoroprene rubber one example of an ethylene acrylic elastomer is vamac u00ae ethylene acrylic elastomer from e i du pont de nemours and company the hyperfoam material may be or include one or more of micro cellular urethane sponge or the like the nylon may be or include nylon 6 nylon 6 6 or the like.