Drum Brake Component Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Brake Drum Discard Diameter | 230.6 mm | 9.079 in |
| Brake Drum Diameter - New | 228.6 mm ± 0.01 mm | 9.00 in ± 0.004 in |
| Brake Drum Maximum Allowable Radial Runout | 0.09 mm | 0.004 in |
| Brake Drum Maximum Allowable Scoring | 1.5 mm | 0.059 in |
| Brake Drum Maximum Diameter After Refinish | 230.1 mm | 9.059 in |
| Brake Shoe Lining Minimum Thickness | 0.5 mm | 0.020 in |
| Brake Shoe Lining Thickness - New | 4.45 mm | 0.175 in |
| Brake Shoe Lining-to-Drum Clearance | 0.375 mm | 0.015 in |