gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Brake Drum Dimensions|Page 2730 > < Full Floating Axle|Page 2725
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Brake Drum: Specifications
Inside Diameter

Inside Diameter 

Except Heavy Duty Power Brakes

Rear Drum Inside Diameter

11 in 

   

  

  

 

Heavy duty power brakes

11.15 in 

   

   

  

 

Brake Drum Dimensions|Page 2730 > < Full Floating Axle|Page 2725