FORD 6.4L/390 Differential & Rear-End Components

Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, Ford, 8 in., 10-Bolt, Set

Part Number: RMG-F8355

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Ring and Pinion Gears, 3.54:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36073

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, Dana 44, Each

Part Number: ARB-0750003

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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Differential Cover, Hardcore, Nodular Iron, Black Powdercoated, Dana 44, Each

Part Number: YGA-29101

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Grizzly Locker, Dana 44, 30 Spline, 3.92 Up Ratio, Each

Part Number: YGA-28001

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Gear, Ring and Pinion, 4.86:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0066-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Gear, Pro Ring and Pinion, 3.60:1 Ratio, Ford, 9 in., Set

Part Number: RMG-7900031

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Ring and Pinion Gears, 4.56:1 Ratio, 28-spline Pinion, Standard Gear Rotation, Ford 9 in., Set

Part Number: MGR-F9-456

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Gear, Ring and Pinion, 3.00:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F9-300

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

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Gear, Ring and Pinion, 3.50:1 Ratio, 1.312 in. Pinion, 28 Spline, 9.000 in. Ring Gear, Ford 9 in., Set

Part Number: YGA-24105

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

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Axle Shaft, Cut-To-Fit, Bolt-in, 28-spline Inner, 1541H Alloy Steel, Rear, Ford 8 in., Ford, Mercury, Each

Part Number: YGA-21188

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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Gear, Ring and Pinion, 3.54:1 Ratio, Dana 60, Set

Part Number: RMG-4901291

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

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Axle Shaft, Ten Factory, 4340 Chromoly, Front, Dana 44, 30 Spline, Ford, Kit

Part Number: MGR-MG22175

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 4, 2025 if ordered today

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Gear, Ring and Pinion, 3.55:1 Ratio, Ford, 8 in., Set

Part Number: MGR-F880355

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Gear, Ring and Pinion, 3.50:1 Ratio, Ford, 9 in., Set

Part Number: RMG-4900271

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/17/2025

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Dura Grip Positraction Carrier, Traction-Loc, Ford 9 in., 28 Spline, Aggressive Engagement, Each

Part Number: YGA-26007

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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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: Monday 11/17/2025

Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/17/2025

Gear, Ring and Pinion, EXCel, 3.70:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9370

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/17/2025

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 28-spline, Rear, Ford 8 in., Each

Part Number: YGA-28006

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Gear, Ring and Pinion, 4.10:1 Ratio, Dana 60, Set

Part Number: MGR-D60-410

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Nodular Iron, Dana 60, Dana 61, Each

Part Number: YGA-26037

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Gear, Ring and Pinion, 3.54:1 Ratio, Dana 70, Set

Part Number: MGR-D70-354

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Differential, Grip Pro Traction System, 28-Spline, Ford, 8 in., Each

Part Number: PWT-GT108028

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $753.99

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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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 31-spline Inner, 31.844 in. Length, Each

Part Number: MGR-D6TZ4234A

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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