Performance & Replacement Transmission & Drivetrain Parts

Speedometer Gear, Drive and Driven, Chevy, TH350, Powerglide, Muncie, Assortment, Kit

Part Number: SUM-700321

4.63 out of 5 stars ( 24 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Shift Kit, Zip Kit, Chevy, Kit

Part Number: SOX-6L45-6L90ZIP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Locking Hubs, Manual, Premium, Aluminum, Chrome, Chevy, GMC, Dodge, Ford, Dana 60, Pair

Part Number: WRN-38826

4.83 out of 5 stars ( 80 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Automatic Transmission Rebuild Kit, Gaskets, Seals, Band, Clutches, Filter, Chevy, 4L80E, 35-spline Input, Kit

Part Number: SUM-705064

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Differential, Eaton Detroit Truetrac, 30-Spline, AAM, 11.5 in., 14-Bolt, Each

Part Number: ETN-915A568

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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• $75 Summit Bucks

Combo, Differential, Eaton Truetrac, Ring and Pinion, 3.73:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0080

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Automatic Transmission Valve Body, Remanufactured, Automatic Valve Body Style, Cast Iron, Standard Shift Pattern, Daimler, Each

Part Number: SOX-CHR146

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Core Charge $75.00
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Torque Converter, 30-Spline, Chevy, 700R4, 4L60, 4L60E, Lockup, 2,000 Stall, Each

Part Number: SUM-G2704-12

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: TCI-211001

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Torque Converter Lockup Kit, Vacuum Switch, GM 700R4, Kit

Part Number: PRF-60109

4.67 out of 5 stars ( 24 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, RST Street Twin, 9.688 in. Disc, 1 in. 23 Spline, Ford, Kit

Part Number: MCL-6333825

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Shift Kit, Automatic Type, GM, 4L80E, 4L85E, Forward/Standard Shift Pattern, Each

Part Number: TRG-4L80E-HD2

4.63 out of 5 stars ( 57 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Torque Converter, SB Series, 11.0 in. Diameter, 2,600 rpm Flash Stall, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SB2600LS

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Flexplate, 168-tooth, Steel, Internal Engine Balance, SFI 29.1, TH400/4L80E, Chevy LS, Each

Part Number: TCI-399754

4.9 out of 5 stars ( 29 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: TCI-211005

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Flexplate, Black, Black Label Edition, 168-Tooth, Internal Engine Balance, SFI 29.1, Chevrolet, LS, Each

Part Number: PQX-2036471

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Automatic Shifter, Unimatic, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80775

4.3 out of 5 stars ( 73 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, StreetPro, Organic, 1 1/8 in.- 26-Spline, 11 in. Disc, Chevy, Oldsmobile, Pontiac, Pilot Bushing Supplied (Chevy Only), Kit

Part Number: MCL-75121

4.47 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Hub, Full, Forged, Extreme Duty, GM, 4L80E, 4L85E, TH400, TH425, Kit

Part Number: SOX-34322-02K

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Automatic Shifter, Stealth Pro Bandit, Pistol Grip, Chevy, Dodge, Ford, Plymouth, Chrysler, Each

Part Number: BMM-81120

4.81 out of 5 stars ( 36 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Torque Converter, SB Series, 12.0 in. Diameter, 2,400 rpm Flash Stall, 700R4, Lockup, 30-Spline, Each

Part Number: FTI-SB2400LT30

4.3 out of 5 stars ( 27 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, Street Extreme, 1.125 in. - 10-spline, Ceramic Disc, Pressure Plate, Buick, Chevy, Pontiac, Kit

Part Number: MCL-75324

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch Kit, RST, 1 1/8 in. x 26-Spline, 9.687 in. Diameter Disc, Chevrolet, Ford, Kit

Part Number: MCL-6913-07

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Shifter, Manual, Competition Plus, Buick, Chevy, Oldsmobile, Pontiac, Studebaker, Each

Part Number: HUU-3917308

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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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 4/13/2026 if shipped by air

• Free Shipping