Bore Size : 1" w/Power Brakes; wo/ABS; w/AT
Bore Size : 7/8" w/Power Brakes; 1/2 Ton; RWD; Exc. Long Bed
Pickup V4 2WD Exc Std in USA 1989-90
Pickup V6 2WD 1ton 1988-90
For vehicles with ABS Left hand drive 22,2 mm
Diameter : 20.6 mm Brake System : DELCO
23,81 mm
23.81 mm