Brake System - Rear - GM Metric - 1 Piston Caliper - 11.750 in Plain Iron Rotor - Offset Hat - Steel - 3 in Axle Tubes - Kit. **NOTE: Kit includes Brake rotors (.810 x 11.75), universal rotor hats, rotor bolt kits, caliper mounting bolts and caliper mounting brackets for GM intermediate metric style calipers (ALL42083 and ALL42084). Update wil160-0471 are replacement rotors for this kit.
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