1965 OLDSMOBILE F85 Differential & Rear-End Components Transmission & Drivetrain

Richmond Gear Complete Ring and Pinion Installation Kits 83-1019-1

Ring and Pinion Installation Kit, GM 8.875 in., "C" Axle, 12-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-8310191

4.05 out of 5 stars ( 20 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Summit Racing™ Street-Strip Performance Clutch Kits SUM-700932

Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 10-Spline, 11 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700932

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Ring and Pinion Sets 49-0039-1 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, 3 Series, Set

Part Number: RMG-4900391

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0099-1 GM 8.875 in. (12-bolt) passenger car 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0099-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Ring and Pinion Sets 49-0094-1 GM 8.875 in. (12-bolt) passenger car 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4900941

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Ring and Pinion Sets 49-0096-1 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Car, Set

Part Number: RMG-4900961

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Ring and Pinion Sets 49-0113-1 GM 8.875 in. (12-bolt) passenger car 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4901131

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0064-1 GM 8.875 in. (12-bolt) passenger car 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0064-1

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Powertrax Lock-Right Lockers GM 8.875 Inch (12-bolt), Car/Truck 1910-LR

Differential, Lock-Right, Locker, 30-Spline, GM, 12-Bolt, Car/Truck, Each

Part Number: PWT-1910-LR

4.07 out of 5 stars ( 15 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Ring and Pinion Sets 49-0095-1 GM 8.875 in. (12-bolt) passenger car 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4900951

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Summit Racing™ Street-Strip Performance Clutch Kits SUM-700930

Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 26-Spline, 11 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700930

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0072-1 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0072-1

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Motive Gear Performance Ring and Pinion Sets BP882373 GM 8.2 in. BOP axle 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set

Part Number: MGR-BP882373

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Motive Gear Performance Ring and Pinion Sets BP882355 GM 8.2 in. BOP axle 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set.

Part Number: MGR-BP882355

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0074-1 GM 8.875 in. (12-bolt) passenger car 4.33 Gears

Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0074-1

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0029-1 GM 8.875 in. (12-bolt) passenger car 5.38 Gears

Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-7900291

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Motive Gear Master Ring and Pinion Installation Kits R12CRMKT

Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Part Number: MGR-R12CRMKT

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Ring and Pinion Sets 69-0304-1 GM 8.875 in. (12-bolt) passenger car 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-6903041

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Mega Ring and Pinion Installation Kits 83-1019-M

Ring and Pinion Installation Kit, GM, 8.875 in., Passenger Car, 12-Bolt, Kit

Part Number: RMG-831019M

3.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Motive Gear Master Ring and Pinion Installation Kits R8.5PRMKT

Ring and Pinion Installation Kit, Master Kit, GM 8.2 in. BOP, Kit

Part Number: MGR-R85PRMKT

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Motive Gear Performance Ring and Pinion Sets BP882411 GM 8.2 in. BOP axle 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, Standard Rotation, 8.20 in. Diameter, GM, BOP, Set

Part Number: MGR-BP882411

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Motive Gear Differential Carrier Shim Kits SS12

Differential Shims, Carrier Shim Type, Steel, Kit

Part Number: MGR-SS12

4.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0027-1 GM 8.875 in. (12-bolt) passenger car 5.14 Gears

Gear, Ring and Pinion, 5.14:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0027-1

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Motive Gear Performance Ring and Pinion Sets G888342 GM 8.875 in. (12-bolt) passenger car 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Passenger Car, Set

Part Number: MGR-G888342

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Motive Gear Performance Ring and Pinion Sets G888373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, Set

Part Number: MGR-G888373

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025