Home >> Chevy Truck >> 1988 >> S10/T10 P/U 2WD V6-262 4.3L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Differential Assembly >> Rear Axle >> Locking Differential (Eaton) >> 7 1/2, 7 5/8, 8 1/2 and 9 1/2-Inch Ring Gear >> Reaction Block and Thrust Washer Specifications >> Thrust Block Sizes