Vehicle Fitment-1: Compatible with Ford F-350 1988-1997, fit for F-350 Super Duty 1999-2000, E-350 Super Duty 2004/1999-2000, E-350 Crinoline Club Wagon 1999-2002, E-350 Crinoline Club Wagon 1990-1994 (12 In. x 3 In. Brakes), E-350 Crinoline Club Wagon 1995-1998 (12.125 In. x 3.50 In. Brakes), E-350 Crinoline 1990-1994 (12 In. x 3 In. Brakes), E-350 Crinoline 1995-1998, E-350 Club Wagon 2003-2004 --- It comes with Bore: 1.1875 Inch; With Dual Rear Wheels (DRW); Rear Side Vehicle Fitment-2: Compatible with Ford E-250 2003-2004 (12 In. x 3 In. Brakes), E-250 Crinoline 2000-2002 (12 In. x 3 In. Brakes), E-450 Super Duty 2003-2004 --- It comes with Bore: 1.1875 Inch; Rear Driver and Passenger Side Reference Number: W37250, 391320C91, E7TZ2262A, F4TZ2262A, W37251, 391321C91, E7TZ2261A, F4TZ2261A --- Please enter your vehicle information in the top left corner of the listing and check our Special Notes before ordering Specifications: Bleeder Screw Cap Included: No, Bleeder Screw Included: Yes, Brake Component Inlet Thread Size: 3/8-24 inch, Inside Diameter: 1.188 inch, Material: Cast Iron, Thread Diameter: 3/8