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.

Individual Parts

Part Groups

Results 1 - 25 of 2000 +

Tremec TKX Manual Transmissions TCET17805

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

Part Number: REM-TCET17805

5.0 out of 5 stars ( 26 )

Estimated Ship Date: Jul 18, 2025 if ordered today

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Estimated Ship Date: Jul 18, 2025 if ordered today

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

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Jul 22, 2025 if ordered today

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Estimated Ship Date: Jul 22, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

TCI StreetFighter Transmissions 311010

4 out of 5 stars ( 1 )

Estimated Ship Date: Jul 21, 2025

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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

4.25 out of 5 stars ( 81 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

4.86 out of 5 stars ( 132 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

FTI Performance 700R4 Level 2 Transmission Packages FTK7R4-2H

Automatic Transmission, 700R4 Level 2 Transmission Package, Remanufactured, 4 Gears, Torque Converter, Chevrolet, THM700-R4/4L60/MD8, Kit

Part Number: FTI-FTK7R4-2H

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Super StreetFighter Transmissions 211095

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

Part Number: TCI-211095

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Valair Performance Quiet Street Dual Disc Clutch Kits QG56DDSN-ORG

Clutch Kits, Quiet Street Dual Disc, 1.375 in. - 10-spline, Organic Disc, 12.250 in. Diameter, Pressure Plate, Flywheel, Dodge, Ram, L6 Diesel, Kit

Part Number: VAI-QG56DDSN-ORG

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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TCI StreetFighter Automatic Transmission Packages 371000P1

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

Part Number: TCI-371000P1

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

3.94 out of 5 stars ( 18 )

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

4.38 out of 5 stars ( 32 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ 700R4 Automatic Transmission SUM-700700X

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

Part Number: SUM-700700X

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Tremec TKX Manual Transmissions 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 ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Tremec Magnum-F Manual Transmissions for 1998-2002 CAMARO, FIREBIRD - TUET16362

Manual Transmission, Tremec Magnum-F, 6 Speed, 1-1/8 X 26 Spline , GM, Each

Part Number: REM-TUET16362

4.75 out of 5 stars ( 8 )

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 ( 8 )

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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Estimated Ship Date: Tomorrow

B&M Tork Master 2,300-2,500 Stall Torque Converter 20404

Torque Converter, Tork Master, 2,300-2,500 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20404

4.4 out of 5 stars ( 35 )

Estimated Ship Date: Tomorrow

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FTI Performance TH400 Level 4 Transmissions TH400-4S

Automatic Transmission, TH400 Level 4, Remanufactured, 3 Gears, Deep Pan, Reverse Shift Pattern, SFI 4.1/30.1, Chevrolet, THM400, Each

Part Number: FTI-TH400-4S

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Summit Racing™ 1,700-2,100 Stall Torque Converter SUM-G2699

Torque Converter, 12 in. Diameter, Chevrolet, TH350/TH400, 1,700-2,100 Stall, Each

Part Number: SUM-G2699

4.17 out of 5 stars ( 113 )

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

4.27 out of 5 stars ( 134 )

Estimated Ship Date: Tomorrow

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FTI Performance TH400 Level 4 Transmissions TH400-4K21

Automatic Transmission Package, TH400 level 4, Dipstick & Tube, Cooler Lines, Cooler, FTI ATF Fluid, SST89-0 Racing Billet Stall Converter, Kit

Part Number: FTI-TH400-4K21

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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B&M Magnum Grip Pro Stick Shifters 81104

Shifters, Automatic, Magnum Grip Pro Stick, Pistol Grip Knob, 7.00 in. Shifter Stick Length, Dual Button Grip, Chevrolet, Chrysler, Dodge, Ford, Each

Part Number: BMM-81104

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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McLeod RXT Street Twin Clutch Kits 6405507M

Clutch Kit, Street Twin, Ceramic, 1 1/8 in- 26, Billet Steel Flywheel, Diaphram, Pilot Bushing, Chevy, LS, Kit

Part Number: MCL-6405507M

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Dura Grip Positraction Carriers GM 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

4.13 out of 5 stars ( 31 )

Estimated Ship Date: Tomorrow

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FTI Performance SB Series 2,800 Stall Torque Converter SB2800LS

Torque Converter, SB Series, 11.0 in. Diameter, 2,800 rpm Flash Stall, 4L60E, 4L65E, 4L70E, Lockup, Each

Part Number: FTI-SB2800LS

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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