Brake Drum | HELLA : 8DT 355 302-511 Drum Ø: 254 Inner Br. Dr. Height: 67.7 mm Outer Br. Sh. Diameter: 302.8 mm Total Br. Dr. Height: 74 mm Hole Pitch / Number: 05/12 Bolt Hole Circle Ø: 120 mm Max.skimmed drum measure: 256 mm Centering Diameter: 62 mm Weight [kg]: 8.4 kg ...