This is a brand new 500 Series quick ratio power steering gear box for a 1958 1959 1960 1961 1962 1963 1964 Chevrolet Bel Air, Biscayne, and Impala. This 500 series steering box is a 14:1 ratio unit and is a direct bolt on kit. Bolts directly to frame rail (you don't need modified or change radiator) 3-1/2" turns lock to lock 11/16" pressure port and 5/8" return port 3/4"-30 input shaft Provides more header clearance than a 605 gearbox Does not come with hoses or idler arm
