Chevrolet Astro Differential Ring and Pinion Replacement

28 Spline 7.5 In. Ring Gear 7.625 In. Ring Gear w/2.73 Axle Ratio

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

Rear; GM 7.5 in.; 10 Cover Bolts; 10 Ring Gear Bolts; 28 Axle Spline; 27 Pinion Spline; Standard; Fits PN [162C58A] [162C59A] [911A319]

28 Spline 7.5 In. Ring Gear 7.625 In. Ring Gear w/3.23 Axle Ratio

with 4.10 Gear Ratio with GM 7.5 Axle

with 4.56 Gear Ratio with GM 7.5 Axle

GM 10.50 in.; 14 Cover Bolts; 12 Ring Gear Bolts; 30 Axle Spline; 30 Pinion Spline; Standard Rotation Replaces Conventional Diff. Internals In Certain 1973 Thru Present GM Axles~If Installed In GM Axle Equiped w/Optional Eaton Diff. Will Require~New Gear Support Case Assembly GM PN[6258336 Or 6258340] Depending On Ratio

GM 10.50 in.; 14 Cover Bolts; 12 Ring Gear Bolts; 30 Axle Spline; 30 Pinion Spline; Standard Rotation; Cover Gasket Not Included Replaces Conventional Diff. Internals In Certain 1973 Thru Present GM Axles~If Installed In GM Axle Equiped w/Optional Eaton Diff. Will Require~New Gear Support Case Assembly GM PN[6258336 Or 6258340] Depending On Ratio

GM 10.50 in.; 14 Cover Bolts; 12 Ring Gear Bolts; 30 Axle Spline; 30 Pinion Spline; Standard Rotation; Carrier Shims Not Included Replaces Conventional Diff. Internals In Certain 1973 Thru Present GM Axles~If Installed In GM Axle Equiped w/Optional Eaton Diff. Will Require~New Gear Support Case Assembly GM PN[6258336 Or 6258340] Depending On Ratio

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; 3.42 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; 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

with 3.73 Gear Ratio with GM 7.5 Axle

with 3.23 Gear Ratio with GM 7.5 Axle

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

Bolts Not Included with 2.73 Gear Ratio with GM 7.5 & 7.6 Axles

with 3.08 Gear Ratio with GM 7.5 Axle

26 Spline 7.5 In. Ring Gear 7.625 In. Ring Gear Standard Gear w/3.42 Axle Ratio

28 Spline 7.5 In. Ring Gear 7.625 In. Ring Gear w/4.10 Axle Ratio

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 7.2" IFS; 4.56 Ratio; Requires a 3.42 and Numerically Higher Ratio Carrier

28 Spline 7.5 In. Ring Gear 7.625 In. Ring Gear Standard Gear w/3.73 Axle Ratio

For GM 7.2" IFS; 4.11 Ratio; Requires a 3.42 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); 3.42 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 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 7.5"/7.625" (10 Bolt); Performance Ring and Pinion; 3.42 Ratio; Requires a 3.23 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; 4.56 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; 4.10 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

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 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 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 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

3.23 Ratio GM 7.5 in. & 7.625 in Rear; Ring and Pinion Set; 3.23 Ratio; Fits 3.23 & Up Carrier~GM 7.5 in. and 7.6 in.; 3.23 Ratio

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

7.625 in./7.5 in. 10 Bolt; Thick; 4.11 Ratio GM 7.5 in. & 7.625 in Rear; Thick Ring and Pinion Set; 4.11 Ratio; Fits 3.08 & Down Carrier~GM 7.5 in. and 7.6 in.; Thick; 4.11 Ratio

7.625 in./7.5 in. 10 Bolt; 3.42 Ratio GM 7.5 in. & 7.625 in Rear; Ring and Pinion Set; 3.42 Ratio; Fits 3.23 & Up Carrier~GM 7.5 in. and 7.6 in.; 3.42 Ratio

7.5 in./7.625 in. 10 Bolt; 4.56 Ratio GM 7.5 in. & 7.625 in Rear; Ring and Pinion Set; 4.56 Ratio; Fits 3.23 & Up Carrier~GM 7.5 in. and 7.6 in.; 4.56 Ratio

GM 7.2 in.; IFS; Reverse Rotation; 4.56 Ratio

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

7.5 in. 10 Bolt; 3.08 Ratio GM 7.5 in. & 7.625 in Rear; Ring and Pinion Set; 3.08 Ratio; Fits 3.23 & Up Carrier~GM 7.5 in. and 7.6 in.; 3.08 Ratio

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

GM 7.2 in.; IFS; Reverse Rotation; 4.11 Ratio

7.625 in./7.5 in. 10 Bolt; Thick; 3.42 Ratio GM 7.5 in. & 7.625 in Rear; Thick Ring and Pinion Set; 3.42 Ratio; Fits 3.08 & Down Carrier~GM 7.5 in. and 7.6 in.; Thick; 3.42 Ratio

For GM 7.5"/7.625" (10 Bolt); 3.90 Ratio; Requires a 3.23 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 7.2" IFS; 3.08 Ratio; Requires a 3.08 and Numerically Lower Ratio Carrier

7.5 in./7.625 in. 10 Bolt; Thick; 3.73 Ratio GM 7.5 in. & 7.625 in Rear; Thick Ring and Pinion Set; 3.73 Ratio; Fits 3.08 & Down Carrier~GM 7.5 in. and 7.6 in.; Thick; 3.73 Ratio

7.625 in./7.5 in. 10 Bolt; 4.11 Ratio GM 7.5 in. & 7.625 in Rear; Ring and Pinion Set; 4.11 Ratio; Fits 3.23 & Up Carrier~GM 7.5 in. and 7.6 in.; 4.11 Ratio

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

GM 7.5 in. 4.56 Ratio GM 7.5 in. & 7.625 in Rear; Ring and Pinion Set; 4.56 Ratio; Fits 3.23 & Up Carrier~GM 7.5 in. and 7.6 in.; 4.56 Ratio

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

7.5 in./7.625 in. 10 Bolt; 2.73 Ratio GM 7.5 in. & 7.625 in Rear; Ring and Pinion Set; 2.73 Ratio; Fits 3.08 & Down Carrier~GM 7.5 in. and 7.6 in.; 2.73 Ratio

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

7.25 in.; Reverse Rotation; 3.73 Ratio GM 7.2 in.; IFS; Reverse Rotation; 3.73 Ratio

7.25 in.; Reverse Rotation; 3.42 Ratio GM 7.2 in.; IFS; Reverse Rotation; 3.42 Ratio

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

7.5 in./7.625 in. 10 Bolt; 3.73 Ratio GM 7.5 in. & 7.625 in Rear; Ring and Pinion Set; 3.73 Ratio; Fits 3.23 & Up Carrier~GM 7.5 in. and 7.6 in.; 3.73 Ratio

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

7.5 in. 10 Bolt; 4.30 Ratio; 27 Spline GM 7.5 in. & 7.625 in Rear; Ring and Pinion Set; 4.30 Ratio; Fits 3.23 & Up Carrier~GM 7.5 in. and 7.6 in.; 4.30 Ratio; 27 Spline