This is a new 1955 1956 1957 Chevrolet Passenger car stock steering box rebuild kit. This kit includes: Upper and lower worm bearing cups, upper and lower worm ball bearings, upper and lower sector shaft bushings, housing side cover bushing and gasket, sector shaft packing and packing retainer, lash adjuster and shims, worm gear seal, worm gear ball guides, worm gear balls and the worm gear ball guide clamp and screw. Fits One-Fifty, Two-Ten Series and Bel Air. SKU# 1367