Borgeson Street & Performance Quick Ratio Chevy C10 Power Steering Box. Borgeson Universal now offers an all new modern quick ratio power steering box to replace factory box in 1963-1966 Chevy C10 trucks (2WD). This all new power steering box has a quick 12.7:1 ratio with firm modern steering feel. The Borgeson Street & Performance power steering box kit will bolt directly to the stock location using the included brackets, pitman arm and steering column coupler.  Also includes brass inserts to allow use of either O-ring or flare style hose connections.