CHRYSLER 6-3L-383 MOPAR-BIG-BLOCK-B Differential & Rear-End Components

Ring and Pinion, Chrysler 9.25 in., 3.92:1 Ratio, Standard Rotation, Set

Part Number: MGR-C9-25-392

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, 30-Spline, Chrysler, 8.75 in., Each

Part Number: ETN-913A572

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

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• $75 Summit Bucks

Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: TMK-M88048

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

Ring and Pinion Gear, Chrysler, 8.75 in., 489 Case, 3.55:1 Ratio, 12-Bolt, 10-Spline Pinion, Standard Rotation, 39/11 Ring/Pinion Teeth, Set

Part Number: RMG-6903711

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Estimated Ship Date: Today

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Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.57:1 Ratio, Chrysler, 8.75 in., 489 Casting, Set

Part Number: RMG-6900611

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.10:1 Ratio, Chrysler, 8.75 in., 742 Casting, Set

Part Number: RMG-6900451

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.55:1 Ratio, Chrysler, 8.75 in., 489 Housing, Set

Part Number: MGR-C887355L

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Pinion Bearing, 1.187 in. Inside Diameter, Each

Part Number: TMK-M86649

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.56:1 Ratio, Chrysler, 8.75 in., 742 Casting, Set

Part Number: RMG-6900471

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.91:1 Ratio, Chrysler, 8.75 in., 489 Casting, Set

Part Number: RMG-6900581

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Pinion Bearing, Rear, 1.312 in. i.d., Chrysler, Dodge, Plymouth, Desoto, Ford, Lincoln, Mercury, Studebaker

Part Number: TMK-HM89443

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.10:1 Ratio, Chrysler, 8.75 in., 489 Casting, Set

Part Number: RMG-6900591

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential, Grip Pro Traction System, 30-Spline, Chrysler 8.75 in., Each

Part Number: PWT-GT308730

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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• Special Order
• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $937.99

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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Bearing Race, Differential Pinion, 3.000 in. Diameter, Each

Part Number: TMK-HM89410

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Bearing Race, Differential Pinion, 2.531 in. Outside Diameter, Each

Part Number: TMK-M86610

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Clutch Kit, Street-Strip Performance, 1 in. Shaft, 23-Spline, 10.5 in. Organic/Ceramic Disc,Mopar, Kit

Part Number: SUM-700922

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Gear, Ring and Pinion, 3.73:1 Ratio, Chrysler, 8.75 in., 489 Housing, Set

Part Number: MGR-C887373L

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Pinion Bearing, 1.750 in. Inside Diameter, Each

Part Number: TMK-HM803149

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Gear, Ring and Pinion, 4.30:1 Ratio, Chrysler, 8.75 in., 489 Casting, Set

Part Number: RMG-6900601

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Pinion Bearing, Rear, 1.875 in. i.d., Buick, Cadillac, Chevy, Chrysler, Dodge, Plymouth, Mitsubishi, Each

Part Number: TMK-M804049

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.10:1 Ratio, Chrysler 9.25 in., Set

Part Number: RNB-697-310

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Pinion Bearing Race, Fits Bearing with 3.500 in. Outside Diameter, Each

Part Number: TMK-HM803110

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Estimated Ship Date: Today