Pontiac Grand Prix Differential Ring and Pinion Replacement

GM 8.2 in. Ring Gear; 10 Cover Bolt; 10 Ring Gear Bolts; 28 Axle Spline; 25 Pinion Spline; Standard Rotation

GM 8.2 in. Ring Gear BOP; 10 Cover Bolt; 10 Ring Gear Bolts; 28 Axle Spline; 27 Pinion Spline; Standard Rotation

7.5 In. Ring Gear w/2.73 Axle Ratio

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]

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

7.5 In. Ring Gear w/3.23 Axle Ratio

GM 55P 8.2 in. Ring Gear; 10 Cover Bolts; 10 Ring Gear Bolts; 17 Axle Spline; 17 Pinion Spline; Standard Rotation Factory Open Requires Housing Modification For Installation

with 4.10 Gear Ratio with GM 7.5 Axle

with 4.56 Gear Ratio with GM 7.5 Axle

8.25 In. Ring Gear w/3.55 Axle Ratio wo/C-Clip Design

10 Bolt with 5.13 Gear Ratio with GM 8.5 & 8.6 Axles

with 27 Splines with 3.90 Gear Ratio with GM 8.2 BOP Axle

10 Bolt with 2.73 Gear Ratio with GM 8.5 & 8.6 Axles

10 Bolt with 5.38 Gear Ratio with GM 8.5 & 8.6 Axles

with 27 Splines with 3.73 Gear Ratio with GM 8.2 BOP Axle

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

8.5 In. Ring Gear w/3.42 Axle 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; 3.55 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; 3.08 Ratio; Requires a 3.08 and Numerically Lower Ratio Carrier

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

8.5 In. Ring Gear w/3.73 Axle Ratio

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; 3.73 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

with 3.73 Gear Ratio with GM 7.5 Axle

10 Bolt with 3.23 Gear Ratio with GM 8.5 & 8.6 Axles

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

10 Bolt with 4.88 Gear Ratio with GM 8.5 & 8.6 Axles

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

with 27 Splines with 3.55 Gear Ratio with GM 8.2 BOP Axle

with 3.08 Gear Ratio with GM 7.5 Axle

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

8.5 In. Ring Gear w/2.73 Axle Ratio

7.5 In. Ring Gear Standard Gear w/3.42 Axle Ratio

7.5 In. Ring Gear w/4.10 Axle Ratio

For GM 8.875" (12 Bolt); Performance Ring and Pinion; 4.11 Ratio; Requires a 4.10 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

10 Bolt with 3.73 Gear Ratio with GM 8.5 & 8.6 Axles

8.5 In. Ring Gear w/3.23 Axle Ratio

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

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

10 Bolt with 3.42 Gear Ratio with GM 8.5 & 8.6 Axles

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); 3.42 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

10 Bolt with 3.90 Gear Ratio with GM 8.5 & 8.6 Axles

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 8.875" (12 Bolt); Performance Ring and Pinion; 4.56 Ratio; Requires a 4.10 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 8.875" (12 Bolt); Performance Ring and Pinion; 3.55 Ratio; Requires a 3.07 to 3.73 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 8.875" (12 Bolt); Performance Ring and Pinion; 5.14 Ratio; Requires a 4.10 and Numerically Higher Ratio Carrier; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance

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 8.875" (12 Bolt); Performance Ring and Pinion; 3.73 Ratio; Requires a 3.07 to 3.73 Ratio Carrier

For GM 8.875" (12 Bolt); Performance Ring and Pinion; 3.90 Ratio; Requires a 3.07 to 3.73 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 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

8.5 In. Ring Gear w/4.10 Axle Ratio

8.5 in./8.6 in. 10 Bolt; 4.56 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 4.56 Ratio~GM 8.5 in.; 4.56 Ratio

10 Bolt; 3.23 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 3.23 Ratio~GM 8.5 in.; 3.23 Ratio

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 8.875" (12 Bolt); Performance Ring and Pinion; 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier

8.5 in./8.6 in. 10 Bolt; 4.88 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 4.88 Ratio~GM 8.5 in.; 4.88 Ratio

For GM 8.875" (12 Bolt); 4.10 Ratio; Requires a 4.10 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

8.5 in./8.6 in. 10 Bolt; 3.42 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 3.42 Ratio~GM 8.5 in.; 3.42 Ratio

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 8.875" (12 Bolt); 4.88 Ratio; Requires a 4.10 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 8.875" (12 Bolt); 3.90 Ratio; Requires a 4.10 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

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 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 8.875" (12 Bolt); 4.56 Ratio; Thick Ring Gear; Requires a 3.07 to 3.73 Ratio Carrier

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

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

For GM 8.875" (12 Bolt); 3.42 Ratio; Requires a 3.07 to 3.73 Ratio Carrier

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

For GM 8.2" BOP (10 Bolt); Performance Ring and Pinion; 3.73 Ratio; 3.36 Ratio Carrier and Higher; Requires 3/8" x 24 RH Ring Gear Bolts

8.5 in./8.6 in. 10 Bolt; 3.73 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 3.73 Ratio~GM 8.5 in.; 3.73 Ratio

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

For GM 8.875" (12 Bolt); 3.73 Ratio; Requires a 3.07 to 3.73 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); 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); 3.73 Ratio; Requires a 3.23 and Numerically Higher Ratio Carrier

3.73 Ratio; GM 8.2 in. For Buick; Oldsmobile; Pontiac GM 8.2 in. Rear; Buick. Oldsmobile and Pontiac; Ring and Pinion Set; 3.73 Ratio; 27 Spline Pinion~GM 8.2 in.; Buick; Oldsmobile and Pontiac; 3.73 Ratio; Buick; Oldsmobile; Pontiac

For GM 8.875" (12 Bolt); Performance Ring and Pinion; 4.11 Ratio; Thick Ring Gear; Requires a 3.07 to 3.73 Ratio Carrier

3.36 Ratio; Buick; Oldsmobile; Pontiac GM 8.2 in. Rear; Buick. Oldsmobile and Pontiac; Ring and Pinion Set; 3.36 Ratio; 27 Spline Pinion~GM 8.2 in.; Buick; Oldsmobile and Pontiac; 3.36 Ratio; Buick; Oldsmobile; Pontiac

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

3.90 Ratio; GM 8.2 in. Buick; Oldsmobile; Pontiac GM 8.2 in. Rear; Buick. Oldsmobile and Pontiac; Ring and Pinion Set; 3.90 Ratio; 27 Spline Pinion~GM 8.2 in.; Buick; Oldsmobile and Pontiac; 3.90 Ratio; Buick; Oldsmobile; Pontiac

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

For GM 8.875" (12 Bolt); 4.33 Ratio; Requires a 4.10 and Numerically Higher Ratio Carrier

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 8.5"/8.625" (10 Bolt); 3.42 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 8.5"/8.625" (10 Bolt); 5.13 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier

For GM 8.875" (12 Bolt); 5.14 Ratio; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance

8.5 in./8.6 in. 10 Bolt; 5.13 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 5.13 Ratio~GM 8.5 in.; 5.13 Ratio

8.5 in./8.6 in. 10 Bolt; 5.38 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 5.38 Ratio~GM 8.5 in.; 5.38 Ratio

8.5 in./8.6 in. 10 Bolt; 3.90 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 3.90 Ratio~GM 8.5 in.; 3.90 Ratio

For GM 8.875" (12 Bolt); 3.08 Ratio; Requires a 3.07 to 3.73 Ratio Carrier

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

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

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

For GM 8.875" (12 Bolt); 4.56 Ratio; Requires a 4.10 and Numerically Higher Ratio Carrier

For GM 8.875" (12 Bolt); 3.55 Ratio; Requires a 3.07 to 3.73 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 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 8.2" BOP (10 Bolt); Performance Ring and Pinion; 4.11 Ratio; 3.36 Ratio Carrier and Higher; Requires 3/8" x 24 RH Ring Gear Bolts

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

8.5 in./8.6 in. 10 Bolt; 4.11 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 4.10 Ratio~GM 8.5 in.; 4.11 Ratio

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); 4.10 Ratio; Thick Ring Gear; Requires a 3.08 and Numerically Lower Ratio Carrier

For GM 8.2" BOP (10 Bolt); Performance Ring and Pinion; 3.55 Ratio; 3.36 Ratio Carrier and Higher; Requires 3/8" x 24 RH Ring Gear Bolts

For GM 8.875" (12 Bolt); 3.73 Ratio; Thin Ring Gear; Requires a 4.10 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

3.55 Ratio; Buick; Oldsmobile; Pontiac GM 8.2 in. Rear; Buick. Oldsmobile and Pontiac; Ring and Pinion Set; 3.55 Ratio; 27 Spline Pinion~GM 8.2 in.; Buick; Oldsmobile and Pontiac; 3.55 Ratio; Buick; Oldsmobile; Pontiac

8.5 in./8.6 in. 10 Bolt; 2.76 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 2.73 Ratio~GM 8.5 in.; 2.76 Ratio

For GM 8.875" (12 Bolt); 3.90 Ratio; Thick Ring Gear; Requires a 3.07 to 3.73 Ratio Carrier

For GM 8.875" (12 Bolt); 4.10 Ratio; Thick Ring Gear; Requires a 3.07 to 3.73 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 8.875" (12 Bolt); 5.86 Ratio; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance

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 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

For GM 8.875" (12 Bolt); 4.88 Ratio; Pro Gear; Requires a 4.10 and Numerically Higher Ratio Carrier

8.5 in./8.6 in. 10 Bolt; 3.08 Ratio GM 8.5 & 8.6 in.; 10 Bolt; Ring and Pinion Set; 3.08 Ratio~GM 8.5 in.; 3.08 Ratio

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

For GM 8.2" BOP (10 Bolt); 3.55 Ratio; 3.36 Ratio Carrier and Higher; Requires 3/8" x 24 RH Ring Gear Bolts

For GM 8.875" (12 Bolt); 5.14 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance

For GM 8.875" (12 Bolt); 4.56 Ratio; Pro Gear; Requires a 4.10 and Numerically Higher Ratio Carrier

For GM 8.875" (12 Bolt); 5.38 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance

For GM 8.875" (12 Bolt); 5.38 Ratio; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance

For GM 8.875" (12 Bolt); 4.11 Ratio; Pro Gear; Requires a 4.10 and Numerically Higher Ratio Carrier

For GM 8.875" (12 Bolt); 4.33 Ratio; Pro Gear; Requires a 4.10 and Numerically Higher Ratio Carrier

For GM 8.875" (12 Bolt); 5.86 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance

For GM 8.875" (12 Bolt); 5.57 Ratio; Pro Gear; 4.10 Ratio Carrier and Higher; Requires Notched Cross Pin 80-0269-1 For Ring Gear Clearance