Performance & Replacement Transmission & Drivetrain Parts

Differential, Trac-Loc, Ford, 9 in., 28-Spline, Each

Part Number: SUM-CTF9TRACL28

4.44 out of 5 stars ( 16 )

Estimated Ship Date: Monday 11/24/2025

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Sun Shell, SmartShell, Heavy Duty Reaction, 4L60, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-77749-02K

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping
• $10.00 Summit Bucks

Differential Carrier, Dura Grip Positraction, Traction-Lok, 30-spline, Rear, GM 8.875 in. Truck, Each

Part Number: YGA-26035

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

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

Part Number: ETN-913A586

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping
• $75.00 Summit Bucks

Automatic Shifter, Winters Sidewinder, Forward Pattern Valve Body, Standard Gate, GM, 700R4, 4L60, 4L60E, Each

Part Number: WPP-177-1

4.53 out of 5 stars ( 34 )

Estimated Ship Date: Monday 11/24/2025

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Torque Converter, ESR Series, 9.50 in. Diameter, 2,800 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR3380

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/24/2025

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Differential, Trac-Loc, Ford, 9 in., 31-Spline, Each

Part Number: SUM-CTF9TRACL31

4.56 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/24/2025

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Automatic Shifter, Winters Sidewinder, Forward Pattern Valve Body, Standard Gate, GM, TH350, Each

Part Number: WPP-157-1

4.92 out of 5 stars ( 25 )

Estimated Ship Date: Monday 11/24/2025

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Torque Converter, TorCon, Chevy, GMC, 6L80, Each

Part Number: LUK-TC0017

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.73:1 and Down Only, Dana 44, Each

Part Number: ETN-913A589

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping
• $75.00 Summit Bucks

Automatic Transmission, StreetFighter Package, 3 Gears, Torque Converter, Transmission Cooler, A727, Chrysler, Dodge, Plymouth, Big Block, Kit

Part Number: TCI-111000P1

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Ground
• Free Shipping

Torque Converter, ESR Series, 9.50 in. Diameter, 3,800 to 4,000 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR8082

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/24/2025

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Differential Carrier, Detroit Truetrac, GM 9.5/9.76 in., 33-spline Axle Shaft, Designed for 3.42-3.73 Gear Ratios, Rear, Cadillac, Chevy, GMC, Each

Part Number: ETN-917A732

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• Free Shipping
• $75.00 Summit Bucks

Differential, Eaton Detroit Truetrac, 1.370 in. Axle Shaft Diameter, 34-Spline, Ford, 9.75 in., Each

Part Number: ETN-913A477

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping
• $75.00 Summit Bucks

Differential, Eaton Detroit Truetrac, 35-Spline, Ford, 10.25 in./10.5 in., Full Floater Only, Each

Part Number: ETN-915A550

4.88 out of 5 stars ( 33 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping
• $75.00 Summit Bucks

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 11/24/2025

• Free Shipping
• $75.00 Summit Bucks

Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Nodular Iron, Rear, GM 8.875 in. (12-bolt) Truck, Chevy, GMC, Each

Part Number: YGA-26052

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/24/2025

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Manual Transmission, T-56, 6 Gears, 1.125 in. - 26-spline, 31-spline Output, 2.97:1 First Gear Ratio, Aluminum Case, T-56, Chevrolet, Each

Part Number: REM-TUET16885

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping

Manual Transmission, T-56, 6 Gears, 1.125 in. - 26-spline Input, 31-spline Output, 2.66:1 First Gear Ratio, Aluminum Case, T-56, Ford, Each

Part Number: REM-TUET11010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic, Manual Valve Body, Chevy, TH400, Each

Part Number: TCI-211000

3.42 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/24/2025

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Automatic Transmission, GM Bellhousing, Automatic Valve Body, Forward Shift Pattern, Chevy, 4L60E, 4WD, Each

Part Number: SUM-700462

3.73 out of 5 stars ( 11 )

Estimated Ship Date: Dec 2, 2025 if ordered today

• Free Shipping

Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Dodge, Hemi Gen III, Kit

Part Number: RAM-50-2370

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping

Manual Transmission, Magnum-F, 6 Gears, 1.125 in. - 26-spline, 31-spline Output, 2.97:1 First Gear Ratio, Tremec Magnum, Chevrolet, Pontiac, Each

Part Number: REM-TUET17638

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Differential, Detroit Truetrac, 32-Spline, Chevy, 218mm AAM, Each

Part Number: ETN-912A686

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping
• $75.00 Summit Bucks

Dura Grip Positraction Carrier, Traction-Loc, GM 7.5/7.6 in., 26 Spline, 3.23 Up Ratio, Each

Part Number: YGA-26017

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/24/2025

• Free Shipping