The Silnes-Offenhauser Tomshe is an American racing car. The car was built for the 1951 Indianapolis 500 by Fred Tomshe using a Joe Silnes chassis, and an Offenhauser engine. While the car did not qualify for the Indy 500, it still has a proud racing history. Also of note is the person who commissioned the car, George “Babe” Tuffanelli, a noted and well known Chicago mobster.