FORD 6.4L/390 Transmission & Drivetrain

Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12531

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12532

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12575

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12591

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Estimated Ship Date: Dec 22, 2025 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 5.29 ratio

Part Number: YGA-24387

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)

Part Number: YGA-12539

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.0" FORD 3.55 REAR R&P GEAR/ INSTALL KIT PACKAGE; FITS STD OPEN CARRIER w/ 1.625" BEARING JOURNAL

Part Number: YGA-12512

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.0" FORD 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE; FITS STD OPEN CARRIER w/ 1.625" BEARING JOURNAL

Part Number: YGA-12514

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Yukon Mighty Seal

Part Number: YGA-30206

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Zip Locker, Air Locker, Dana 60/61, 35 Spline, 4.56 Up Ratio, Each

Part Number: YGA-34024

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.0" FORD 3.00 REAR R&P GEAR/ INSTALL KIT PACKAGE; FITS POSI OR LOCKER w/ 1.781" BEARING JOURNAL

Part Number: YGA-12515

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Estimated Ship Date: Dec 22, 2025 if ordered today

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D70 PINION PRE-LOAD SPACER

Part Number: YGA-55070

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Estimated Ship Date: Dec 22, 2025 if ordered today

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SEAL HOUSING FOR D60, ZIP LOCKER (includes O-Rings)

Part Number: YGA-34039

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 5.67:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9567

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Differential, Grip Pro Traction System, 30-Spline, Dana 44, Each

Part Number: PWT-GT434430

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Estimated Ship Date: Dec 8, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $775.99

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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Differential Carriers, Grip Pro Traction System, 35 Spline, Dana 60, Front, 4.10 and Lower Ratio, Each

Part Number: PWT-GT436035F

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Estimated Ship Date: Dec 8, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $986.99

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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Differential, Grip Pro Traction System, 30-Spline, Dana 44, Front, Each

Part Number: PWT-GT444430F

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Estimated Ship Date: Dec 8, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $809.99

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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Differential Carriers, Grip Pro Traction System, 35 Spline, Dana 60, Rear, 4.56 Up Ratio. Each

Part Number: PWT-GT446035

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Estimated Ship Date: Dec 8, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,137.99

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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Yukon standard open spider gear kit for and 9" Ford with 28 spline axles and 4-pinion design

Part Number: YGA-16032

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Yukon standard open spider gear kit for 9" Ford with 31 spline axles and 2-pinion design

Part Number: YGA-16033

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Estimated Ship Date: Dec 22, 2025 if ordered today

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STREET TWN STL FORD 1963-74 332-427 FE ENG 1-1/8X26 184

Part Number: MCL-64304-07

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Clutch Disc, Metallic, 1 3/8 in. 10-Spline, 12.00 in. Disc, Each

Part Number: MCL-260663

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-D44513RUB

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-D60354

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-D44489

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Estimated Ship Date: Dec 8, 2025 if ordered today

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