Performance Online now offers a properly shortened steering column shaft for those upgrading their 1955-57 Chevy Belair to power steering and wanting to retain the original steering column. These steering shafts come pre-splined to accept the original type steering wheel and have a 3/4″-36 splined end on the gearbox side of the shaft. Manufactured of high grade steel, these steering shafts are a nice easy upgrade for the do-it-yourselfer