More Power in Every Purchase - Join the Summit Rewards Program Today!

More Power in Every Purchase - Join the Summit Rewards Program Today!

Stay Cool With SUMMER SALE Savings!

Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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.

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

Results 1 - 25 of 25

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: Today

...Loading

Estimated Ship Date: Today

Automatic Transmission, Level 4, TH400, Trans-Brake, Chevy Ultrabell, Each

Part Number: FTI-TH400-4UB

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Automatic Transmission, 3-Speed, Ultra-Bell Bellhousing, Reverse Shift Pattern, Full Manual Valve Body, GM, TH400, Each

Part Number: FTI-TH400-45UB

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Automatic Transmission, TH400 Level 4, Remanufactured, 3 Gears, Deep Pan, Torque Converter, Chevrolet, THM400, Kit

Part Number: FTI-TH400-4K51

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

Automatic Transmission Rebuild Kit, U-Build It, Steels, 4 Clutches, Gaskets, Seals, Filter, Chevy, TH400, Kit

Part Number: FTI-F4019-4

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

GM TH400 RACING Trans, CUT FOR ULTRA BELL,SHORT SHAFT,1100HP RATED, BILLET REVERSE PATTERN TRANSBRAKE VALVE BODY, BILLET ALUMINUM DRUM

Part Number: FTI-TH400-45UBC

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Kickdown Kit, Aluminum, Natural, GM, Automatic, 700R4, 4L60, Kit

Part Number: TCI-374400

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 12, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 12, 2025 if ordered today

GM TH400 RACING Trans, CHEVY CASE,SHORT SHAFT, 900HP RATED, BILLET REVERSE PATTERN TRANSBRAKE WITH ENGINE BRAKING , 34 ELEMENT SPRAGUE

Part Number: FTI-TH400-4EB2

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

Automatic Transmission, Level 4, TH400, Trans-Brake, Chevy, Cut For Ultrabell, Each

Part Number: FTI-TH400-4UBC

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 5, 2025 if ordered today

GM TH400 RACING Trans, CHEVY CASE,SHORT SHAFT, 900HP RATED, BILLET REVERSE PATTERN TRANSBRAKE WITH ENGINE BRAKING , 34 ELEMENT SPRAGUE

Part Number: FTI-TH400-4EB

Not Yet Reviewed

Estimated Ship Date: Aug 8, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 8, 2025 if ordered today

TH400 Racing Transmission - Engine Braking with Transbrake - Level 4 Cut for bolt on bellhousing

Part Number: FTI-TH400-4EBC

Not Yet Reviewed

Estimated Ship Date: Aug 8, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 8, 2025 if ordered today

Center Support, Billet Steel, 4th Clutch Housing, Dodge, Ram, 68RFE, Kit

Part Number: RVM-68RFE-614

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

Automatic Transmission, Level 3, TH400, Forward Shift, Cut for Ultra Bell, Chevy, Each

Part Number: FTI-TH400-3UBC

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

Automatic Transmission, Level 3, TH400, Reverse Shift, Ultra Bell, Chevy, Each

Part Number: FTI-TH400-3RUB

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

GM TH400 RACING Trans, CHEVY ULTRA BELL,SHORT SHAFT, 1800HP RATED, BILLET REVERSE PATTERN TRANSBRAKE W/ENGINE BRAKING , BILLET PRO MOD ALUMINUM DRUM

Part Number: FTI-TH400-5EB2

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

Automatic Transmission, Level 3, TH400, Forward Shift, Ultra Bell, Chevy, Each

Part Number: FTI-TH400-3UB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Automatic Transmission, Level 3, TH400, Reverse Shift, Cut for Ultra Bell, Chevy, Each

Part Number: FTI-TH400-3RUBC

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

GM TH400 RACING Trans, 2 SPEED,1.48 LOW,CHEVY ULTRA BELL,SHORT SHAFT, 2000HP RATED, 2 SPEED FORWARD PATTERN TRANSBRAKE VALVE BODY

Part Number: FTI-TH400-52SPUB

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

GM TH400 RACING Trans, CUT FOR ULTRA BELL,SHORT SHAFT,1100HP RATED, BILLET REVERSE PATTERN TRANSBRAKE W/ENGINE BRAKING, BILLET ALUMINUM DRUM

Part Number: FTI-TH400-45EB2

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

LVL-5 TH400 W/O BELLHOUSING

Part Number: FTI-TH400-5UBC

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

GM TH400 RACING Trans, 2 SPEED,1.48 LOW,CUT FOR ULTRA BELL,NO BELL,SHORT SHAFT, 2000HP RATED, 2 SPEED FORWARD PATTERN TRANSBRAKE VALVE BODY

Part Number: FTI-TH40052SPUBC

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 3, 2025 if ordered today

GM TH400 RACING Trans, CHEVY CASE,SHORT SHAFT, 1100HP RATED, BILLET REVERSE PATTERN TRANSBRAKE W/ENGINE BRAKING, BILLET ALUMINUM DRUM

Part Number: FTI-TH400-45EB

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 8, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 8, 2025 if ordered today

TH400 LEVEL 5 TRANSMISSION

Part Number: FTI-TH400-5EBC

Not Yet Reviewed

...Loading

Automatic Transmission, 3-Speed, Ultra-Bell Bellhousing, Reverse Shift Pattern, Full Manual Valve Body, ER310 Input Shaft Material, GM, TH400, Each

Part Number: FTI-TH400-5UB

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 5, 2025 if ordered today

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.