Differential Carriers | Summit Racing

Eaton Detroit Truetrac 31 Spline Differential Ford 8.8 Inch 913A561

Differential, Eaton Detroit Truetrac, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-913A561

4.87 out of 5 stars ( 31 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Positraction 31 Spline Differential Carriers Ford 8.8 Inch SUM-730944

Differential Carrier, Positraction, Nodular Iron, Ford 8.8 in., 31 Spline, Each

Part Number: SUM-730944

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Eaton Detroit Truetrac 31 Spline Differential Ford 9 Inch 913A586

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

Part Number: ETN-913A586

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Eaton Detroit Truetrac 31 Spline Differential Chrysler 9.25 Inch ZF 917A730

Differential, Eaton Detroit Truetrac, Limited Slip, 31-Spline, Chrysler, 9.25 in. ZF, Ram, Each

Part Number: ETN-917A730

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Ford Performance Parts Torsen 31 Spline Differential Ford 8.8 Inch M-4204-T31

Differential, Torsen, 31-Spline, Ford, 8.8 in., Each

Part Number: FMS-M-4204-T31

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Ford Performance Parts Torsen 31 Spline Differential Ford 8.8 Inch, IFS M-4204-F150LS

Differential Carriers, 8.8 in. Ford Front Axle, Limited Slip, Torsion Bar Front Suspension, Each

Part Number: FMS-M4204-F150LS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Auburn Gear Grip-N-Loc 31 Spline Differential Ford 8.8 Inch 546054

Auburn Gear Grip-N-Loc 31 Spline Differential Ford 8.8 Inch 546054

Differential, Auburn, Grip-N-Loc, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: AUB-546054

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Powertrax Grip LS Traction Systems Ford 9 Inch LS109031

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

Part Number: PWT-LS109031

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Auburn Gear Grip-N-Loc 31 Spline Differential Chrysler 9.25 Inch 546070

Differential, Auburn, Grip-N-Loc, Limited Slip, 31-Spline, Mopar, 9.25 in., Each

Part Number: AUB-546070

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Powertrax Lock-Right Lockers Chrysler 9.25 Inch 1220-LR

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: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Powertrax No-Slip Traction Systems 9203923105

Differential, No-Slip Traction System, 31-Spline, Mopar 9.25 in., Each

Part Number: PWT-92-0392-3105

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Positraction 31 Spline Differential Carriers Chrysler 9.25 Inch ZF SUM-730971

Differential Carrier, Positraction, Nodular Iron, Chrysler 9.25 in. ZF, 31 Spline, Rear, Each

Part Number: SUM-730971

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Yukon Gear & Axle Trac-Loc Carrier Cases Ford 8.8 Inch YC F318-C

Yukon Trac Loc positraction, Ford 8.8", 31 spline, with Carbon Fiber clutches.

Part Number: YGA-20130

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Yukon Gear & Axle Trac-Loc Carrier Cases Ford 8 Inch YDGF8-31-SM

Yukon Trac-Loc for Ford 8" wtih 31 spline axles. Street Design

Part Number: YGA-26004

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Powertrax Grip Pro Traction Systems Ford 8.8 Inch GT108831

Differential, Grip Pro Traction System, 31-Spline, Ford, 8.8 in., Each

Part Number: PWT-GT108831

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Auburn Gear Grip-N-Loc 31 Spline Differential Ford 9 Inch 546036

Differential, Auburn, Grip-N-Loc, Limited Slip, 31-Spline, Ford, 9 in., Each

Part Number: AUB-546036

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Powertrax Lock-Right Lockers Ford 8.8 Inch 1821-LR

Differential, Lock-Right, Locker, 31-Spline, Ford, 8.8 in., Each

Part Number: PWT-1821-LR

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

Yukon Gear & Axle Trac-Loc Carrier Cases Ford 8 Inch YDGF8-31-AG

Yukon Trac-Loc for Ford 8" wtih 31 spline axles. Aggressive Design

Part Number: YGA-26003

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Auburn Gear Grip-N-Loc 31 Spline Differential Chrysler 9.25 Inch ZF 5460142

Differential, Auburn, Grip-N-Loc, Limited Slip, 31-Spline, Chrysler, 9.25 in. ZF, Each

Part Number: AUB-5460142

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

Powertrax Grip Pro Traction Systems Ford 9 Inch GT109031

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: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Powertrax Lock-Right Lockers Ford 8/9 Inch 1810-LR

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/20/2026

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USA Standard Gear Spartan Lockers Nissan H233B SL NPATROL-31

Differential Carrier, Spartan Locker, Steel, 31-spline, Rear, for Nissan H233B, Each

Part Number: SPZ-17036

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today