Dorman Drum Brake Wheel Cylinder Rear Fits 1979-1986 GMC C1500 Suburban 1980

1979 GMC C1500 Suburban Bore: 15/16 In.; Position: Rear;. 1980 GMC C1500 Suburban Bore: 15/16 In.; Position: Rear;. 1981 GMC C1500 Suburban Bore: 15/16 In.; Position: Rear;. 1982 GMC C1500 Suburban Bore: 15/16 In.; Position: Rear;.