Hub& Drum, 8 on 6.5", 5/8" Stud- 8,000 lb, Grease 

• Fits Brake Size 12-1/4" x 3-3/8" (4 Bolt Flange)
• Inner Cup 031-030-01 (25520), Outer Cup 031-028-01 (02420)
• Brand: Aftermarket