Borgeson (920014) Remanufactured Manual Steering Gear Box 55-57 Chevy remanufactured manual steering box. Standard 24:1 ratio. Direct replacement with 3/4"-30 spline shortened input shaft for use with an aftermarket column. Steering Box, Manual, 55-57 Chevy, 3/4-30 Short Input, Remanufactured Made in the U.S.A. since 1914! Official steering components of the National Street Rod Association Industry leading warranty & support