Rear Left Upper/Rear Left Lower; 15 In. x 5 In. Brakes, Bore: 1.50 In.WCA78744 Carquest Wearever Wheel CylinderSKU: 889275833946 $52.99 Regular Price$27.55Sale PriceExcluding Sales Tax | calculated at checkoutQuantity*Add to CartBuy NowFitment Chevrolet - B60 (1980-1989) - Rear Left Lower, (1980-1989) - Rear Left Upper; C/K Series Pickups (1971-1972) - Rear Left; Medium Duty C-Series (1980-1987) - Rear Left Lower, (1980-1987) - Rear Left Upper; P-Series Vans (1971-1976) - Rear Left, (1979-1987) - Rear Left Lower, (1979-1987) - Rear Left Upper GMC - B6000 (1980-1989) - Rear Left Lower, (1980-1989) - Rear Left Upper; C/K Series Pickups (1971-1972) - Rear Left; Medium Duty C-Series (1980-1987) - Rear Left Lower, (1980-1987) - Rear Left Upper; Medium Duty P-Series Vans (1984-1987) - Rear Left Lower, (1984-1987) - Rear Left Upper; P-Series Vans (1971-1976) - Rear Left SpecificationsBleeder Screw Cap Included: No Bleeder Screw Included: Yes Bore Diameter (in): 1.5 Brake Component Inlet Thread Size: 7/16 in - 24 Casting Material: Cast Iron Thread Diameter: 7/16 in