OLDSMOBILE CUTLASS SUPREME Differential & Rear-End Components

Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-14088

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.42:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24157

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Today

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: Today

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Ring and Pinion Gears, EXCel, GM 7.5/7.625 in., 3.90:1 Ratio, 27-spline, Standard, for 3.23 or Numerically Higher Ratio Carrier, Chevy, GMC, Olds, Set

Part Number: RMG-GM75390

5.0 out of 5 stars ( 2 )

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-GM75342OE

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Differential, No-Slip Traction System, 30-Spline, GM, 12-Bolt, Each

Part Number: PWT-92-0788-3005

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $621.99

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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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: Today

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Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RMKT

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Differential, Lock-Right, Locker, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-1920-LR

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $441.99

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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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: Today

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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Master Overhaul, 28-Spline, GM 8.5 in., Kit

Part Number: YGA-14086

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

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

Part Number: RMG-831019M

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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

Part Number: MGR-G888355

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 10-Spline, 10.5 in. Organic/Ceramic Disc, GM, Kit

Part Number: SUM-700928

Not Yet Reviewed

Estimated Ship Date: Today

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373OE

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-390

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 12-Bolt Passenger Car, Set

Part Number: MGR-G888390

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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: Today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-373

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: ETN-K-GM12CR

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: TMK-M88048

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32118

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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