1971-1973 Ford Mustang, Fastback, Coupe, Convertible, Grande, Mach 1, Boss, Mercury Cougar, Hardtop, Convertible, XR7.           P/S - Power Steering Gear Box   This is an ORIGINAL FORD PART.   Casting Number D1ZA-3590-BA [FoMoCo].  Removed from a 1971 Mustang Mach 1 with Power Steering.   The Pitman Arm is in Excellent Condition.     Very Straight with the Correct Curves. Has Great Mounting Splines.   Overall, this is an Excellent Original Power Steering Pitman Arm. Impossible to Find Original.  Please email with questions BEFORE YOU BUY BECAUSE SOLD AS IS NO RETURNS