Automatic Transmission Shift Kits

Transmission Upgrade Kit, Shift Improver, GM, TH400, 3L80, Each

Part Number: BMM-20261

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/29/2025

Transmission Upgrade Kit, Shift Improver, Ford, C-4, Each

Part Number: BMM-50260

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

Automatic Transmission Shift Kits, Valve Body Repair, A604, 42RLE, 41TES, 40TES, Kit

Part Number: TRG-SK42RLE-VLP

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Shift Kit, Performance, Ford, FMX, 1967-72, Each

Part Number: TRG-37-1

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/29/2025

Transmission Upgrade Kit, Trans-Scat, Chevy, Buick, Oldsmobile, Pontiac, GMC, TH350, Each

Part Number: TCI-350000

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

• Free Shipping

Reprogramming Kit, Auto, Dodge, Jeep, Chrysler, Kit

Part Number: TRG-RFE-7B-HP

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

• Free Shipping

Transmission Upgrade Kit, Transpak, Ford, AOD, Each

Part Number: BMM-40227

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

• Free Shipping

Transmission Upgrade Kit, Trans-Scat, Ford, Lincoln, Mercury, C-6, Each

Part Number: TCI-360000

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

Shift Kit, TH200-4R, Kit

Part Number: TRG-SK200-4R

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Transmission Upgrade Kit, Transpak, Ford, C-6, Each

Part Number: BMM-40228

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

• Free Shipping

Transmission Upgrade Kit, Shift Improver, Chrysler, Dodge, Plymouth, Torqueflite 727, Each

Part Number: TCI-122500

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Shift Kit, Automatic Type, Chevy, GMC, Allison, 1000, 2000, 2400, Towing, Heavy Duty, Each

Part Number: TRG-ALLISON-SK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Shift Kit, Performance, Ford, FMX,, Kit

Part Number: TRG-33-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Transmission Upgrade Kit, Transpak, GM, TH350C, Each

Part Number: BMM-30235

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

• Free Shipping

Shift Kit, Stick Type, Full Manual, Ford 1967-69, C-4, Competition, Off-Road, Pro-Street, Each

Part Number: TRG-47-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

Shift Kit, Automatic Type, for Nissan FWD, without TV Cable, Turbo, Nitrous, Street, Each

Part Number: TRG-RE4F03A-HD2

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

Shift Kit, Ford, 5R110W, Each

Part Number: TRG-SK5R110W

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

Valve Body Kit, Trans-Scat®, For, AODE, Kit

Part Number: TCI-436001

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

• Free Shipping

Transmission Upgrade Kit, AMC, Chrysler, A-904, Each

Part Number: TCI-122600

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Shift Kit, Full Manual, Ford, FMX, Competition, Off-Road, Pro-Street, Each

Part Number: TRG-FMX-3

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Shift Kits, Valve Body Repair, Cruiseomatic, Kit

Part Number: TRG-SK3VL

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

Transmission Upgrade Kit, Performance Improver, Ford, Lincoln, Mercury, C-4, Kit

Part Number: TCI-526100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 30, 2026 if ordered today

• Drop Ship
• Special Order

Shift Kit, Automatic Type, GM, THM 425, GMC Kit

Part Number: TRG-425-1

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

Shift Kit, Automatic Type, Toyota, Chevy, Geo, Pontiac, A245, Each

Part Number: TRG-A245-HD2

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

Shift Kit, Automatic Type, for Nissan, Mazda, Subaru, RWD, 4-Speed, Turbo, Nitrous, Street, Each

Part Number: TRG-RE4R01A-HD2

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order