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

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CHRYSLER 6-6L-400 MOPAR-BIG-BLOCK-B Differential & Rear-End Components

Individual Parts

Results 1 - 25 of 112

Differential Carrier, Dura Grip, Limited Slip, Steel, Rear, Chrysler 9.25 in., Each

Part Number: YGA-26019

4.4 out of 5 stars ( 5 )

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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 )

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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 )

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Bearing, Pinion, 1.625 in. Inside Diameter, Each

Part Number: TMK-M802048

4.66 out of 5 stars ( 29 )

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Differential, Eaton Detroit Truetrac, 31-Spline, Chrysler 9.25 in., Each

Part Number: ETN-913A368

4.67 out of 5 stars ( 12 )

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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 )

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Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, Chrysler, 8.25/8.375 in., 10-Bolt, Set

Part Number: RMG-CR825355

4.0 out of 5 stars ( 4 )

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Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: TMK-M88048

5.0 out of 5 stars ( 13 )

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Powertrax Lock-Right Lockers Chrysler 9.25 Inch 1220-LR

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $540.99

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, 31-Spline, Mopar, 9.25 in., Each

Part Number: PWT-1220-LR

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

  • $35.00 Mail-In Rebate

    Price after Manufacturer Rebate: $540.99

    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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Gear, Ring and Pinion, 3.55:1 Ratio, Chrysler, 9.25 in., Set

Part Number: MGR-C9-25-355

5.0 out of 5 stars ( 9 )

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 )

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Gear, Ring and Pinion, 3.55:1, Chrysler, 8.75 in. 742, Set

Part Number: SPZ-36300

4.0 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 )

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Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-C9-25BI

5.0 out of 5 stars ( 1 )

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Powertrax Grip Pro Traction Systems Chrysler 8.75 Inch GT308730

$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.

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

Part Number: PWT-GT308730

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

  • $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.

    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, 3.55:1 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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Differential Carrier, Power Lok, Positraction, Smooth Design, Chrysler 8.75 in., Rear, Steel, 41, 42, 89 Housings, Chrysler, Plymouth, Dodge, Each

Part Number: SPZ-59027

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

Pinion Bearing, 1.187 in. Inside Diameter, Each

Part Number: TMK-M86649

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Differential Pinion Bearing, 1.375 in. Inside Diameter, Each

Part Number: TMK-HM88649

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Ring and Pinion Gears, 3.21:1 Ratio, Chrysler 9.25 in. ZF, Set

Part Number: YGA-24012

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Ring and Pinion Gears, 3.55:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 8.75 in., 741 Case, Set

Part Number: YGA-24006

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

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

Part Number: TMK-HM89410

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Ring and Pinion Gears, 3.55:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36018

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

Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, Chrysler 8.75 in. 489 Case, Kit

Part Number: YGA-55039

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Ring and Pinion Kit

Part Number: RMG-CR925390

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

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