FORD THUNDERBIRD Transmission & Drivetrain

Differential, Eaton Detroit Locker, 31-Spline, Ford, 9 in., Each

Part Number: ETN-187SL17B

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.11:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0045-1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Clutch Kit, RST, 1 1/16 in. x 10-Spline, 9.688 in. Diameter Disc, Ford, 351C, 390-428, 429-460, Kit

Part Number: MCL-6911-03

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential Carrier, Limited Slip, Ford 8.8 in., 31 Spline, Each

Part Number: YGA-20069

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Estimated Ship Date: Today

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Gear, Ring and Pinion, 6.20:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0023-1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential, Eaton Detroit Locker, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-187C145A

5.0 out of 5 stars ( 6 )

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Gear, Ring and Pinion, 5.14:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0017-1

5.0 out of 5 stars ( 3 )

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

Part Number: RMG-79-0060-1

5.0 out of 5 stars ( 1 )

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Differential, Posi Performance, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-19588-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.062 in. - 10-spline, Organic Disc, Pressure Plate, Ford, 4.6L, Kit

Part Number: RAM-50-2200

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Grizzly Locker, Ford 9.0 in., 28 Spline, Each

Part Number: YGA-28008

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc, 1 1/8 in. Input, 26-Spline, Organic, AC, Detomaso, Ford, Lincoln, Mercury, TVR, Sunbeam, Shelby, Omega, Kit

Part Number: RAM-50-2259

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Clutch Kit, Concept 9.5 Dual Disc, Organic Disc, 1 1/8 in.- 26 Spline Disc, Ford, Kit

Part Number: RAM-45-2259

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 31-spline, Rear, Ford 8.8 in., Each

Part Number: YGA-28031

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 31-spline, Rear, Ford 9 in., Each

Part Number: YGA-28033

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Gear, Ring and Pinion, 6.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0021-1

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Differential, No-Slip Traction System, 28-Spline, Ford, 8.8 in., Each

Part Number: PWT-92-0688-2807

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $744.99

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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Grizzly Locker, Ford 9.0 in., 31 Spline, Each

Part Number: YGA-28009

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Clutch Kit, Stage 2 Drag Race, Single, 1.063 in. - 10-spline, Ceramic Disc, Pressure Plate, Ford, 3.8L, Kit

Part Number: SBB-S0609

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle Differential Case, Ford 9 in., Aluminum, 3.062 in. Bearing Bore, 28, 31, 33 Spline, Each

Part Number: YGA-32034

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Torque Converter, Holeshot, 3,400- 3,800 rpm Stall Range, Ford, C-4, 26 Spline, Each

Part Number: BMM-50454

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 26-spline, 10.00 in. Diameter, Ford C4, Ford, Lincoln, Mercury, Each

Part Number: HAY-97-2E28F

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Differential, Grip Pro Traction System, 31-Spline, Ford, 9 in., Each

Part Number: PWT-GT109031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 28, 2026 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $741.99

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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Nodular Housing

Part Number: MGR-26325A

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Nodular Housing

Part Number: MGR-26325

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Estimated Ship Date: Dec 29, 2025 if ordered today

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