This is the Borgeson #999020.  This is a re manufactured Power Steering Box Complete Kit designed to bolt directly into 1965 1966 Ford Mustang Passenger Cars with 289 - 302 - 351W engines.  This kit is for Mustangs that had factory manual steering.  This is the best power steering replacement box on the market.

This Borgeson conversion box is a modern integral power steering gearbox.  The Borgeson integral power steering gearbox provides true modern power steering feel, feedback and a sporty 14:1 ratio.

Note:  This Power Steering Conversion Box will not fit with factory Z-bar clutch linkage.

This kit from Borgeson is complete with everything you need (pump, bracket, pulleys, rag joint, etc.) to complete the installation.