FORD 6.6L/400 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Eaton Detroit Truetrac 28 Spline Differential Ford 8 Inch 912A616

Differential, Eaton Detroit Truetrac, Limited Slip, 28-Spline, Ford, 8 in., Each

Part Number: ETN-912A616

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0079-1 Ford 9 in. 4.29 Gears

Gear, Ring and Pinion, 4.29:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0079-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0043-1 Ford 9 in. 3.89 Gears

Gear, Ring and Pinion, 3.89:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0043-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0045-1 Ford 9 in. 4.11 Gears

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: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Eaton Detroit Lockers Ford 9 Inch 187SL17B

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

Part Number: ETN-187SL17B

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0080-1 Ford 9 in. 4.57 Gears

Gear, Ring and Pinion, 4.57:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0080-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Spicer Drivetrain Products 30 Spline Differential Carriers Dana 60 708013

Differential Carrier, Clutch-type, Steel, Dana 60, 30-Spline, 4.10 and lower ratio, Each

Part Number: SDH-708013

Not Yet Reviewed

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Yukon Gear & Axle Trac Loc Positraction Internals YPKD60-P/L-35

Differential Carrier Components, Trac Loc Positraction Internals, 35 Spline, Dana 60/70, 35 Spline Axles, Kit

Part Number: YGA-16008

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Richmond Gear Pro Gear Ring and Pinion Sets 79-0023-1 Ford 9 in. 6.20 Gears

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

Part Number: RMG-79-0023-1

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers Dana 60/61 YDGD60-3-30

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 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Positraction 30 Spline Differential Carriers Dana 60/61 SUM-730975

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Yukon Gear & Axle Grizzly Lockers Ford 8 Inch YGLF8-28

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 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Powertrax Grip Pro Traction Systems Ford 8 Inch GT108028

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 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0054-1 Ford 9 in. 6.50 Gears

Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0054-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Alloy USA Chromoly Front Axle Shaft Kits for 1968-1979 F-250 - 12176

Axles, Direct Fit, Front, 4340 Chromoly, 30-Spline, Ford, Pickup, SUV, Kit

Part Number: ALY-12176

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Richmond Gear Pro Gear Ring and Pinion Sets 79-0005-1 Ford 9 in. 5.43 Gears

Gear, Ring and Pinion, 5.43:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0005-1

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Ring and Pinion Sets SUM-740909 Ford 9 in. 5.43 Gears

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Yukon Gear & Axle Grizzly Lockers Ford 9 Inch YGLF9-28

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

Part Number: YGA-28008

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Eaton Detroit Lockers Ford 8 Inch 187S13D

Differential, Eaton Detroit Locker, 28-Spline, Ford, 8 in., Each

Part Number: ETN-187S13D

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Richmond Gear Pro Gear Ring and Pinion Sets 79-0066-1 Ford 9 in. 4.86 Gears

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 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Eaton Detroit Lockers Dana 44 187SL16C

Differential, Eaton Detroit Locker, 30-Spline, Dana 44, Each

Part Number: ETN-187SL16C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Powertrax Grip LS Traction Systems Ford 8 Inch LS108028

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

Part Number: PWT-LS108028

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Powertrax Lock-Right Lockers Dana 60 2610-LR

Differential, Lock-Right, Locker, 30-Spline, Dana 60, Each

Part Number: PWT-2610-LR

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

Spicer Drivetrain Products Ring and Pinion Gears 2019214 Dana 60 4.88 Gears

Ring and Pinion Gears, Dana 60, 4.88:1 Ratio, 29-spline, Standard Rotation, Dana 60, Chevrolet, Dodge, Ford, GMC, Jeep, Plymouth, Set

Part Number: SDH-2019214

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Yukon Gear & Axle Grizzly Lockers Ford 9 Inch YGLF9-31-LB

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

Part Number: YGA-28033

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Eaton Detroit Lockers Dana 44 187SL16D

Differential, Eaton Detroit Locker, 30-Spline, Dana 44, Each

Part Number: ETN-187SL16D

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Spicer Drivetrain Products 35 Spline Differential Carriers Dana 60 707097-4X

Differential Carriers, Dana 60, Clutch-type, 10-bolt, 35-spline, Ductile Iron, Fits 4.56 and Numerically Higher Gear Ratios, Rear, Dana 60, Ford, Kit

Part Number: SDH-707097-4X

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today