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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Painless Performance 700R4 Converter Lock-Up Kits 60109

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 ( 24 )

Estimated Ship Date: Today

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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: Today

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B&M Converter Lockup Controls 70244

Torque Converter Lockup Controller, 700R4/TH350C/4L60/200-4R, Kit

Part Number: BMM-70244

4.58 out of 5 stars ( 38 )

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American Autowire Torque Converter Lockup Kits 500412

Torque Converter Lockup Kit, Pressure Switch, In-line Fuse, GM, 200-4R, 700R4, 4L60, Kit

Part Number: AWW-500412

4.06 out of 5 stars ( 16 )

Estimated Ship Date: Today

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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: Today

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Hughes Performance Pro Series 1 Stage Torque Converter Dump Valve Kits HP6217

Torque Convertor Lock Up Components, Pro Series Powerglide Single Stage Torque Converter Dump Valve System, Fits 1962 Later Powerglide, Kit

Part Number: HUP-HP6217

Not Yet Reviewed

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ACDelco Helix Seal Retainers 08654491

Helix Seal Retainer, Torque Converter Lock Up Component, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-8654491

Not Yet Reviewed

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TransGo Lockup Valve Kits 6L8 CS-TCC

Clutch Select Valve and TCC Regulator Valve kit GM 6L45, 6L50, 6L80, and 6L90

Part Number: TRG-6L8CSTCC

Not Yet Reviewed

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BD Diesel Torq Un-Loc Systems 1030398

Torque Converter Lock Up Kit, Torq Un-Loc, GM 6.5L Turbo Diesel, 4L60E, Kit

Part Number: BDD-1030398

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

B&M Converter Lockup Controls 70248

Torque Converter Lockup Kit, GM, 700R4/TH350C/4L60/200-4R, Kit

Part Number: BMM-70248

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Ron Francis Wiring Torque Converter Lock-Up Kits TC62

Torque Converter Lock Up Wiring

Part Number: RFW-TC62

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Ron Francis Wiring Torque Converter Lock-Up Kits TC59

Torque Cnvrtr Lock Up Wiring w/ TBI

Part Number: RFW-TC59

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2026 if ordered today

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Estimated Ship Date: Jun 18, 2026 if ordered today

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: Today

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Chevrolet Performance Torque Converter Lock-Up Kits 24502513

Transmission Performance Kit, 4L60/700R4, Computer Controlled, Non-Computer Controlled, Kit

Part Number: NAL-24502513

3.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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FTI Performance Torque Converter Dump Valve Kits F2585

Torque Converter Lock-Up Components, Torque Converter Dump Valve Kit, GM, Powerglide, Kit

Part Number: FTI-F2585

Not Yet Reviewed

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Summit Racing™ Torque Converter Lockup kits SUM-705419

Torque Converter Lockup Kit, Manually Activated, 700R4, Kit

Part Number: SUM-705419

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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B&M Torque Converter Lockup Kit Components 70208

Speedo Cable for 70244 is a service part for GM Converter Lock-Up Control Kit - 70244

Part Number: BMM-70208

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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BD Diesel TorqLoc Systems 1030395

Torque Loc System, Dodge, Ford/Chevy/GM, Manual Override Switch, Electronic Speedometer Sender, Each

Part Number: BDD-1030395

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

TransGo Automatic Transmission Torque Converter Clutch Valves AODE-LU

Specialty Components, AODE, 4R70W Lockup Balance Valve and Bushing

Part Number: TRG-AODE-LU

Not Yet Reviewed

Estimated Ship Date: Today

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TransGo Automatic Transmission Torque Converter Clutch Valves RFE-TCCREG-OS

Specialty Components, 45-68RFE Oversize Converter Regulator Valve (tools not included)

Part Number: TRG-RFETCCREGOS

Not Yet Reviewed

Estimated Ship Date: Today

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TransGo Automatic Transmission Converter Regulator Valves for 2019-2026 2500, 3500 - RFE-TCCREG-OS19

All RFE: TCC Regulator Valve (Oversized) 2019-On

Part Number: TRG-S0009

Not Yet Reviewed

Estimated Ship Date: Today

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ATS Diesel Performance Torque Converter Lock-Up Kits 601-900-2284

CoPilot Torque Converter Lock-Up Controller - 2004-05 Dodge 48RE

Part Number: APF-6019002284

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Sonnax Transmission Company Torque Converter Lock-Up Components GM-ST-082

STATOR

Part Number: SOX-GM-ST-082

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

ATS Diesel Performance Co-Pilot Automatic Transmission Controller Kits for 2003 RAM 2500, RAM 3500 - 601-900-2272

Torque Converter Lockup Controller, Dodge, 48RE, 2003 Only, Kit

Part Number: APF-6019002272

Not Yet Reviewed

Estimated Ship Date: Today

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ATS Diesel Performance Torque Converter Lock-Up Kits 601-900-2317

CoPilot Lockup kit - 2006.5 - Early 07 Dodge

Part Number: APF-6019002317

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

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