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 45

TCI Filler Tubes and Dipsticks 743865

TCI Filler Tubes and Dipsticks 743865

Automatic Transmission Dipstick with Tube, Locking, Steel/Plastic, Black, Chevy, 700R4, 4L60E

Part Number: TCI-743865

4.59 out of 5 stars ( 88 )

Estimated Ship Date: Today

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TCI Transmission Pans 378000

Automatic Transmission Pan, Deep, Aluminum, Natural, GM, 700R4, 4L60E, Each

Part Number: TCI-378000

3.73 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Dorman Torque Converter Bolts 14099

Bolts, Torque Converter, 10mm x 1.5, Steel, Natural, 0.887 in. UHL, Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Saab, Set of 3

Part Number: RNB-14099

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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McLeod Flywheel Counter Balance Weight Kits 560222

Flywheel Counterbalance Weights, GM, Sold as a Kit

Part Number: MCL-560222

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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TCI Transmission Pans 378010

Automatic Transmission Pan, Stock, Aluminum, Polished, GM, 700R4, 4L60E, Kit

Part Number: TCI-378010

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Today

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TCI Sprags and Roller Clutch Kits 373601

Sprag/Roller Clutch, 29-Element, Forward Sprag, Low-Reverse Clutch, GM, 4L60E/700R4, Each

Part Number: TCI-373601

Not Yet Reviewed

Estimated Ship Date: Today

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TransGo Automatic Transmission Boost Valves 7-500

TV Boost Valve, .500, Racing, Pro-Street, 700R4/200-4R, Kit

Part Number: TRG-7-500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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TransGo Automatic Transmission Boost Valves 7-300

Boost Valve/Bushing, Intermediate and Reverse, 700R4/200-4R, Kit

Part Number: TRG-7-300

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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TCI Replacement Steel Transmission Pans 378011

Automatic Transmission Pan, Stock, Steel, Chrome, GM, 700R4, 4L60E, Each

Part Number: TCI-378011

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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TCI EZ-TCU Transmission Controller Main Harnesses 30261

Wiring Harness, EZ-TCU Transmission Controller Main Harness, Each

Part Number: TCI-30261

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman Clutch Forks 14457

Clutch Fork, Steel, Natural, Chevy, GMC, Oldsmobile, Each

Part Number: RNB-14457

Not Yet Reviewed

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TCI Internal Wiring Harnesses 276610

Internal Wiring Harness, Upgrade, GM, Style Harness, Each

Part Number: TCI-276610

Not Yet Reviewed

Estimated Ship Date: Today

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TransGo Automatic Transmission Boost Valves 7-472

Boost Valve/Bushing, .472 TV, 700R4/200-4R, Towing/Heavy Duty/Off-Road, Kit

Part Number: TRG-7-472

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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PRW Elite Series 168-Tooth Flexplate 2235037

Flexplate, Elite Series, 168-Tooth, Zero Balance, 2 Piece Rear Main Seal, SFI 29.2, Chevy, Small Block, Big Block, Each

Part Number: PQX-2235037

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

Chevrolet Performance Bellhousing to Block Fasteners 11546890

BELLHOUSING STUD

Part Number: NAL-11546890

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

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Estimated Ship Date: Jul 22, 2026 if ordered today

TransGo Automatic Transmission Boost Valves 6L8-BOOST-OES

Specialty Components, 6L80 Stock OE Replacement Boost Valve

Part Number: TRG-6L8BOOSTOES

Not Yet Reviewed

Estimated Ship Date: Today

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QuickTime Bellhousing Spacers RM-6013

Transmission Bellhousing Spacer, Universal, Bellhousing to Block, Steel, Zinc Plated, 0.375 in Thick, Chevy, Ford Small Block, Each

Part Number: QTI-RM-6013

Not Yet Reviewed

Estimated Ship Date: Today

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TCI 10-Vane Billet Rotor Kits 373400

Billet Rotor, 10-Vane, Automatic Transmission Pump, GM, 4L60E, 700R4, Each

Part Number: TCI-373400

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ATP Automatic Transmission Shifter Cables Y-1289

Automatic Transmission Shifter Cable, Black Jacket, 132.00 in. Length, Cadillac, Chevy, GMC, Each

Part Number: ATP-Y1289

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

ATP Automatic Transmission Axle Seals XO-15

Axle Seal, Front Outer, for 4T40E or 4T45E Transaxle, Chevy, Oldsmobile, Pontiac, Saturn, FWD, Each

Part Number: ATP-XO15

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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TCI High Performance Servo Kits 376006

Servo, Billet Aluminum, 4th Gear, Chevy, 4L60E, 700R4, Kit

Part Number: TCI-376006

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Sonnax Super-Hold Servo Kits 77767K

4.75 out of 5 stars ( 9 )

Estimated Ship Date: Today

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TCI High Performance Servo Kits 376005

Servo, Billet Aluminum, 2nd Gear, Chevy, 4L60E, 700R4, Kit

Part Number: TCI-376005

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Pioneer Automatic Transmission Filters 745266

FILTER KIT

Part Number: PIO-745266

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

TransGo Automatic Transmission Boost Valves 7-422

Boost Valve/Bushing, .422 TV, 700R4/200-4R, Kit

Part Number: TRG-7-422

Not Yet Reviewed

Estimated Ship Date: Today

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Pioneer Automotive Driveshaft Support Carrier Bearings 646056

CENTER SUPPORT MOUNT

Part Number: PIO-646056

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

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