Drum Brake Specifications
DRUM BRAKE SPECIFICATIONS
| Application | In. (mm) | ||
|---|---|---|---|
| Standard (Except Cadillac) | |||
| Drum Diameter | 9.50 (241.3) | ||
| Drum Width | 2.00 (50.8) | ||
| Maximum Drum Refinish Diameter | 9.560 (242.82) | ||
| Brake Cylinder Diameter | .875 or .973 (19.05) | ||
| Master Cylinder Diameter | |||
| W/Powermaster | 1.25 (31.8) | ||
| W/O Powermaster | 1.125 (28.57) | ||
| Heavy Duty (Except Cadillac) | |||
| Drum Diameter | 11.00 (279.4) | ||
| Drum Width | 2.00 (50.8) | ||
| Maximum Drum Refinish Diameter | 11.060 (280.92) | ||
| Brake Cylinder Diameter | .937 (25.4) | ||
| Master Cylinder Diameter | |||
| W/Powermaster | 1.25 (31.8) | ||
| W/O Powermaster | 1.125 (28.57) | ||
| Cadillac 11 Inch | |||
| Drum Diameter | 11.00 (279.4) | ||
| Drum Width | 2.00 (50.8) | ||
| Maximum Drum Refinish Diameter | 11.060 (280.92) | ||
| Brake Cylinder Diameter | 1.000 (25.4) | ||
| Master Cylinder Diameter | |||
| W/Powermaster | 1.25 (31.8) | ||
| W/O Powermaster | 1.125 (28.57) | ||
| Cadillac 12 Inch | |||
| Drum Diameter | 12.00 (279.4) | ||
| Drum Width | N/A | ||
| Maximum Drum Refinish Diameter | 12.060 (306.32) | ||
| Brake Cylinder Diameter | |||
| Standard | 1.000 (25.4) | ||
| Commercial Chassis | 0.93 (23.8) | ||
| Master Cylinder Diameter | 1.25 (31.8) | ||