OLDSMOBILE Differential & Rear-End Components

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75355TK

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Today

Carrier Shims, Super, Steel, Set of 18

Part Number: YGA-16042

3.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in., 12-Bolt Car, Each

Part Number: PWT-GT231230

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Estimated Ship Date: Dec 8, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $772.99

Rebate Expires: 12/31/2025

Get $40 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 3.23 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10636

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential, Lock-Right, Locker, 26-Spline, GM, 7.625 in., Each

Part Number: PWT-1932-LR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $605.99

Rebate Expires: 12/31/2025

Get $35 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 3.08 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10635

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Cross Shaft, Differential, Steel, GM, 10-Bolt, 7.5 in., with Mini Spool, Each

Part Number: RMG-CSPGM75

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Spider Gear Kits, Open Differential, GM 7.5/7.625 in., 26 Spline, Kit

Part Number: MGR-GM7-5BI

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Estimated Ship Date: Today

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Spool, Mini, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: RMG-78-1028-1

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12622

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36212

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, GM G-Body, 7.5 in., Each

Part Number: MSR-A102801-1

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Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6903221

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Pinion Bearing Race, Avanti, Buick, Cadillac, Chevy, GMC, Oldsmobile, Dodge, Hummer, Isuzu, Mitsubishi, Each

Part Number: TMK-HM89210

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Estimated Ship Date: Today

Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, GM, 7.5 in., 7.625 in., Each

Part Number: AUB-546047

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Estimated Ship Date: Today

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Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885273

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.73:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, GM 7.5/7.6 in., Set

Part Number: YGA-24146

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75342TK

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Axle C-Clip, Steel, Copper Coated, GM, 7.5 in./7.625 in. Differential, Each

Part Number: RNB-05311

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Axle Assemblies, Ford 9 in., Satin Black, 60.25 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11169682

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Ring and Pinion Installation Kit, GM, 7.50 in. Diameter Ring Gear, 27-Spline Pinion, Kit

Part Number: RMG-831044B

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Estimated Ship Date: Today

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.23 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10691

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Estimated Ship Date: Dec 5, 2025 if ordered today

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