Buick Commercial Chassis Differential Ring and Pinion Replacement

GM 7.5 in.; 10 Cover Bolts; 10 Ring Gear Bolts; 30 Axle Spline; 27 Pinion Spline; Standard Rotation

Rear; GM 8.5 in.; 10 Cover Bolts; 10 Ring Gear Bolts; 28/30 Axle Spline; 30 Pinion Spline; Standard Rotation; w/ Eaton Posi/Truetrac

For GM 8.5"/8.625" (10 Bolt); A-Line Ring and Pinion; 3.08 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); A-Line Ring and Pinion; 4.10 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); A-Line Ring and Pinion; 3.55 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); A-Line Ring and Pinion; 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); A-Line Ring and Pinion; 4.56 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); A-Line Ring and Pinion; 3.23 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); A-Line Ring and Pinion; 3.08 Ratio; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 3.73 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); A-Line Ring and Pinion; 3.42 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); A-Line Ring and Pinion; 3.73 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.08 Ratio; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); A-Line Ring and Pinion; 3.73 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 4.11 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); A-Line Ring and Pinion; 4.56 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 3.42 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); A-Line Ring and Pinion; 4.11 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 4.10 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 4.56 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.23 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 4.56 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); Performance Ring and Pinion; 4.88 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 3.08 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.73 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 2.73 Ratio; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); Performance Ring and Pinion; 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); Performance Ring and Pinion; 3.73 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 3.42 Ratio; Thick Ring Gear; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 2.73 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 3.90 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 3.73 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.90 Ratio; Thick Ring Gear; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 4.10 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 4.56 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier; Requires Notched Cross Shaft 80-0270-1 For Open Carriers

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 3.90 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); Performance Ring and Pinion; 3.42 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 3.73 Ratio; Thick Ring Gear; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); Performance Ring and Pinion; 4.56 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); Performance Ring and Pinion; 5.13 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); Performance Ring and Pinion; 3.08 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); Performance Ring and Pinion; 2.73 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 3.23 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 3.08 Ratio; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); Performance Ring and Pinion; 4.30 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 4.10 Ratio; Thick Ring Gear; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 4.30 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 2.73 Ratio; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 3.73 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 3.90 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 4.88 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 4.56 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 3.08 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.73 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.08 Ratio; Thin Ring Gear; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.23 Ratio Carrier and Higher; Requires Notched Cross Shaft 80-0270-1 For Open Carriers

For GM 7.5"/7.625" (10 Bolt); 3.90 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 3.42 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 5.13 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 4.10 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 8.5"/8.625" (10 Bolt); 3.23 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.73 Ratio; Thick Ring Gear; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 4.10 Ratio; Thick Ring Gear; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.42 Ratio; Thick Ring Gear; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 3.23 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

For GM 7.5"/7.625" (10 Bolt); 4.56 Ratio; Thick Ring Gear; Requires a 3.08 and Numerically Lower Ratio Carrier; Requires Notched Cross Shaft 80-0270-1 For Open Carriers

For GM 8.5"/8.625" (10 Bolt); 5.38 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier; Requires Notched Cross Pin Part# 80-0272-1

For GM 8.5"/8.625" (10 Bolt); 5.57 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier; Requires Notched Cross Pin Part# 80-0272-1

For GM 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 3.90 Ratio; Pro Gear; Requires a 3.23 and Numerically Higher Ratio Carrier