Sierra 1500 2WD V8-5.3L VIN Z Flex Fuel (2006)
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Brake Drum: Specifications
Maximum Allowable Diameter ......................................................................................................................................................... 296.5 mm (11.673 inch)
Maximum Allowable Radial Runout .................................................................................................................................................. 0.06 mm (0.0024 inch)
Maximum Allowable Scoring ................................................................................................................................................................... 1.5 mm (0.06 inch)