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 408

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

2.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Summit Racing™ Automatic Transmissions SUM-700311

Transmission, Forward Shift Pattern, Automatic Valve Body, BOP Bell housing, TH350, RWD, Buick, Pontiac, Oldsmobile, Each

Part Number: SUM-700311

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

TCI StreetFighter Automatic Transmission Packages 371000P1

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: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Painless Performance 700R4 Converter Lock-Up Kits 60109

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

Part Number: PRF-60109

4.67 out of 5 stars ( 21 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

TCI StreetFighter Automatic Transmission Packages 371000P2

Streetfighter Package, 700R4 Transmission/3000 rpm Flash Stall Converter, Cooler, Fluid, Chevy, 700R4

Part Number: TCI-371000P2

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

TCI StreetFighter Automatic Transmission Packages 111000P1

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

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Cannot be shipped Internationally

TCI 2004R/700R4 Lockup Wiring Kits 376600

Torque Converter Lockup Kit, Wiring Kit, Vacuum Switch, GM, 200-4R, 700R4, Kit

Part Number: TCI-376600

4.26 out of 5 stars ( 61 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Tremec Magnum-F Manual Transmissions for 1998-2002 CAMARO, FIREBIRD - TUET17638

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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Estimated Ship Date: Monday 11/24/2025

Tremec Magnum-F Manual Transmissions for 1998-2002 CAMARO, FIREBIRD - TUET16363

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-TUET16363

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

4x4 Posi-Lok Positive Axle Engagement Systems 600

Front Axle Actuator, Posi-Lok, Chevy, GMC, Kit

Part Number: POS-600

4.52 out of 5 stars ( 60 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

ACDelco 30 Spline Differential Carriers GM 8.5/8.625 Inch 84554713

Differential, GM 8.5/8.625 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Rear, Each

Part Number: ADO-84554713

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Bowler Performance Lock-Up Control Modules 5107000

Torque Converter Lock-Up Kit, Lock-Up Control Module, Manual Override Switch, GM, THM700-R4/4L60/MD8, Kit

Part Number: BTM-5107000

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

ATI Torsional Input Shafts ATI406000

Automatic Transmission Input Shaft, Torsional, Vacuum Melted 300 Steel, GM, TH400, Each

Part Number: ATI-406000

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

TCI StreetFighter Automatic Transmission Packages 311000BP1

Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, 6 in. Tailshaft, Chevy, Buick, Olds, Pontiac,TH350, V8, Kit

Part Number: TCI-311000BP1

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Van Steel Wheel Hub Assemblies for 1969-1982 CORVETTE - FB-15C

Wheel Hub, Front, Chevy, Each

Part Number: VAC-FB-15C

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Advance Adapters NP231 Slip Yoke Eliminator Kits 50-7906

Fixed Yoke Kit, with Vacuum Actuation for Front Hubs, Fits Jeep, NP 231, Uses 1310 U Joint, Kit

Part Number: ADD-50-7906

4.81 out of 5 stars ( 62 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

FTI Performance Powerglide Input Shafts F2516

Automatic Transmission Input Shafts, Vacuum Melted 300 Steel, High-flow Design, GM, Each

Part Number: FTI-F2516

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Sonnax Feed Limit Low Valve Kits 105740-54K

Feed Limit Low Valve Kit

Part Number: SOX-105740-54K

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Van Steel Loaded Bearing Supports for 1963-1982 CORVETTE - BA-21IK

Loaded Bearing Support, Rear Left, Steel, Natural, Each

Part Number: VAC-BA-21IK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Summit Racing™ Adjustable Vacuum Modulators SUM-G110

Vacuum Modulator, GM TH350, TH400, Push-In, Adjustable, Each

Part Number: SUM-G110

4.67 out of 5 stars ( 33 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Painless Performance 200-4R Transmission Lockup Kits 60110

Wiring Harness, Torque Converter Lockup, GM, 200-4R, Each

Part Number: PRF-60110

3.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Summit Racing™ Torque Converter Lockup kits SUM-705418

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

Part Number: SUM-705418

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

4x4 Posi-Lok Positive Axle Engagement Systems 800

Front Axle Actuator, Posi-Lok, Chevy, GMC, Kit

Part Number: POS-800

4.45 out of 5 stars ( 29 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

4x4 Posi-Lok Positive Axle Engagement Systems 500

Front Axle Actuator, Posi-Lok, Chevy, GMC, 4WD, Kit

Part Number: POS-500

4.03 out of 5 stars ( 31 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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