Differential Ring Gear Bolt
Fits Rear Differential; 4WD; GM 8.6 in., Ring Gear Bolt; Left Hand Thread, 7/16-20UNFor Front Differential; 4WD; GM 7.6IFS, Ring Gear Bolt; Left Hand Thread, 7/16-20UNFor Rear Differential; 4WD; GM 8.0 in., Ring Gear Bolt; Left Hand Thread, 7/16-20UNF