Summit Racing SpeedCard - learn how to get 10% back up to $100

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PLYMOUTH VALIANT Differential & Rear-End Components

Individual Parts

Results 1 - 24 of 24

Clutch Kit, Street-Strip Performance, 1 in. Shaft, 23-Spline, 11 in. Organic/Ceramic Disc, Mopar, Kit

Part Number: SUM-700920

5.0 out of 5 stars ( 2 )

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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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Axles, Replacement, Rear, Dodge, Plymouth, A-Body, 8.75 in., Pair

Part Number: MSR-A30-CST-AB45

5.0 out of 5 stars ( 2 )

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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 )

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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 )

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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 )

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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 )

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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 )

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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 )

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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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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 )

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

Part Number: MGR-C887410L

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Gear, Ring and Pinion, 4.86:1 Ratio, Chrysler, 8.75 in., 742 Casting, Set

Part Number: RMG-6900481

5.0 out of 5 stars ( 1 )

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Powertrax Lock-Right Lockers Chrysler 8.25 Inch 1230-LR

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $482.99

Rebate Expires: 12/31/2025

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

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.

Differential, Lock-Right, Locker, 27-Spline, Mopar, 8.25 in., Each

Part Number: PWT-1230-LR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

  • $35.00 Mail-In Rebate

    Price after Manufacturer Rebate: $482.99

    Rebate Expires: 12/31/2025

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

    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.

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Estimated Ship Date: Dec 29, 2025 if ordered today

Gear, Ring and Pinion, 3.73:1 Ratio, Chrysler, 8.75 in., 742 Housing, Set

Part Number: MGR-C887373E

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Gear, Ring and Pinion, 4.30:1 Ratio, Chrysler, 8.75 in., 742 Casting, Set

Part Number: RMG-6900461

5.0 out of 5 stars ( 1 )

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

Part Number: MGR-C887391L

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Gear, Ring and Pinion, 3.73:1 Ratio, Chrysler, 8.75 in., 741 Housing, Set

Part Number: MGR-C887373M

4.75 out of 5 stars ( 4 )

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Ring and Pinion Installation Kit, Master, Chrysler 8.75 in. 742 Case, Rear, Kit

Part Number: MGR-R875ERMKT

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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Estimated Ship Date: Dec 26, 2025 if ordered today

Gear, Ring and Pinion, 3.55:1 Ratio, Chrysler, 8.75 in., 741 Housing, Set

Part Number: MGR-C887355M

5.0 out of 5 stars ( 4 )

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Ring and Pinion, RP CHRYSLER 8.75" 4.30 (742)

Part Number: MGR-C887430E

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Gear, Ring and Pinion, 4.86:1 Ratio, Chrysler 8.75 in., 742 case., Set

Part Number: MGR-C887486E

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion; Performance Ring And Pinion; 742 Housing; 3.91 Ratio; 48-11 Teeth

Part Number: MGR-C887391E

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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