Performance & Replacement Transmission & Drivetrain Parts

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

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Results 1 - 25 of 2000 +

Tremec TKX 26-Spline Manual Transmission for GM V8 - TCET17805

Transmission, Manual, Tremec TKX, 5-Speed, 26-Spline, 0.68:1 Overdrive, GM, V8, Each

Part Number: REM-TCET17805

4.94 out of 5 stars ( 31 )

Estimated Ship Date: Tomorrow

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Summit Racing™ 4L60E Automatic Transmission SUM-700463

Automatic Transmission, GM Bellhousing, Automatic Valve Body, Standard Shift Pattern, Chevy, 4L60E, RWD, Aluminum Pan, LS, Each

Part Number: SUM-700463

4.09 out of 5 stars ( 11 )

Estimated Ship Date: Dec 10, 2026

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Estimated Ship Date: Dec 10, 2026

Summit Racing™ 2,800-3,200 Stall Torque Converter SUM-G2698

Summit Racing™ 2,800-3,200 Stall Torque Converter SUM-G2698

Torque Converter, 30-spline Input, 10 in. Diameter, 2,800-3,200 Stall, TH350, TH400, Each

Part Number: SUM-G2698

4.2 out of 5 stars ( 86 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Ford AOD Automatic Transmission SUM-700453

Automatic Transmission, Forward Shift Pattern, 2WD, RWD, SBF, 5.0L Ford, AOD, 80-93 Each

Part Number: SUM-700453

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Eaton Detroit Truetrac 30 Spline Differential GM 8.5/8.6 Inch 913A481

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.5/8.6 in., 2.73 & up, Each

Part Number: ETN-913A481

4.85 out of 5 stars ( 137 )

Estimated Ship Date: Tomorrow

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Summit Racing™ 700R4 Automatic Transmission SUM-700700X

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevy, 700R4, RWD, Each

Part Number: SUM-700700X

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Dec 11, 2026

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Estimated Ship Date: Dec 11, 2026

Summit Racing™ TH350 Automatic Transmission SUM-700310-X

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevy, 600 HP, TH350, Each

Part Number: SUM-700310-X

2.44 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Tremec TKX Manual Transmission for Ford V8 TCET17765

Manual Transmission, TKX, 5 Gears, 1.125 in. - 26-spline Input, 31-spline Output, 2.87:1 First Gear Ratio, Aluminum Case, Tremec TKX, Ford, Each

Part Number: REM-TCET17765

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Oct 29, 2026

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Estimated Ship Date: Oct 29, 2026

TCI StreetFighter 700R4 Transmission Package 371000P1

Automatic Transmission Package, 700R4 Transmission/2,400 rpm Flash Stall Converter/Cooler/Fluid, Chevy

Part Number: TCI-371000P1

3.9 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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McLeod RST Street Twin Clutch Kits 6405507

Clutch Kit, RST Street Twin, Organic, 1.125 in. - 26, Billet Steel Flywheel, Chevy, Pontiac, Small Block LS, Kit

Part Number: MCL-6405507

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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TCI StreetFighter 700R4 Transmission 371004

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic/Manual Valve Body,Electronic Speedometer, Chevy, 700R4, Each

Part Number: TCI-371004

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Tremec T56 Manual Transmission for GM V8 TUET11009

Transmission, Manual, Tremec T-56 Magnum, 6-Speed, 1 1/8 in. 26-Spline, Chevy, Buick, Oldsmobile, Pontiac, Each

Part Number: REM-TUET11009

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Summit Racing™ 2,200-2,800 Stall Torque Converter SUM-G2703

Torque Converter, 10 in. Diameter, TH350/TH400, 2,200-2,800 Stall, Each

Part Number: SUM-G2703

4.33 out of 5 stars ( 36 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5/8.6 Inch YDGGM8.5-3-30-1

Dura Grip Positraction Carrier, Traction-Loc, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: YGA-26016

4.19 out of 5 stars ( 37 )

Estimated Ship Date: Nov 19, 2026

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Estimated Ship Date: Nov 19, 2026

McLeod Super StreetPro Clutch Kits 75224

Clutch Kit, Super StreetPro, Organic, Ceramic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Kit

Part Number: MCL-75224

4.67 out of 5 stars ( 57 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS 3,000-3,200 Stall Torque Converter SUM-700344

Torque Converter, Pro LS, 11 in. Diameter, Chevy, 6L80E/6L90E, 3,000-3,200 Stall, Each

Part Number: SUM-700344

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Summit Racing™ SFI-Approved 168-Tooth Flexplate SUM-G100SFI

Flexplate, 168-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevrolet, V8, Each

Part Number: SUM-G100SFI

4.31 out of 5 stars ( 145 )

Estimated Ship Date: Tomorrow

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Currie 9 in. Third Members CE-9CT370S50

Third Member, 3.70:1 Gear Ratio, Currie TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT370S50

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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FTI Performance SB Series 3,200 Stall Torque Converter SB3200LS

Torque Converter, SB Series, 11.0 in. Diameter, 3,200 rpm Flash Stall, 4L60E, 4L65E, Lockup, LS Bolt Pattern, Each

Part Number: FTI-SB3200LS

4.0 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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Summit Racing™ 2,800-3,200 Stall Torque Converter SUM-700335

Torque Converter, Chevy, LS, 4L60E, 4L65E, 300mm, 10 in. Diameter, 2,800 - 3,200 Stall, Each

Part Number: SUM-700335

4.0 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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Summit Racing™ 4L60E Automatic Transmission SUM-700465

Automatic Transmission, GM Bellhousing, Automatic Valve Body, Standard Shift Pattern, GM, 4L60E, 2WD/RWD, Aluminum Pan, Each

Part Number: SUM-700465

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Dec 10, 2026

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Estimated Ship Date: Dec 10, 2026

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5 Inch YDGGM8.5-3-28-1

Dura Grip Positraction Carrier, Traction-Loc, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: YGA-26015

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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McLeod Super StreetPro Clutch Kits 75221

Clutch Kit, Super StreetPro, Organic/Ceramic, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Kit

Part Number: MCL-75221

4.44 out of 5 stars ( 39 )

Estimated Ship Date: Tomorrow

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TCI Super StreetFighter TH400 Transmission 211095

Automatic Transmission, Remanufactured, Super StreetFighter, 30-spline Input, 2.48 First Gear Ratio, Chevy, TH400, Each

Part Number: TCI-211095

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Summit Racing™ 4WD 4L60E Automatic Transmission SUM-700464

Automatic Transmission, GM Bellhousing, Automatic Valve Body, Standard Shift Pattern, Chevy, 4L60E, 4WD, Aluminum Pan, LS, Each

Part Number: SUM-700464

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Dec 10, 2026

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Estimated Ship Date: Dec 10, 2026

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