Automatic Transmission Shift Kits

Shift Kit, Automatic Type, GM, 4L80E, 4L85E, Forward/Standard Shift Pattern, Each

Part Number: TRG-4L80E-HD2

4.69 out of 5 stars ( 54 )

Estimated Ship Date: Monday 8/4/2025

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Shift Kit, Zip Kit, Chevy, Kit

Part Number: SOX-6L45-6L90ZIP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

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Shift Kit, Automatic Type, Includes .500 in. Boost Valve, GM, 4L60E, Each

Part Number: TRG-4L60E-HD2

4.74 out of 5 stars ( 58 )

Estimated Ship Date: Monday 8/4/2025

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Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SOX-HP-4L60E-01

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

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Automatic Shift Kit, 6L80, 6L80E, 6L90, 6L90E, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: TRG-SK6L80

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Automatic Transmission Shift Kits, Reprogramming Kit, Performance/Tow/Haul, GM, 6L45, 6L50, 6L80, 6L90, Kit

Part Number: TRG-6L80-TOW-PRO

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Shift Kit, Performance, Gaskets, Pro-Race, Heavy Duty, Super Show Off, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, TH400, Kit

Part Number: TRG-400-PRO

4.95 out of 5 stars ( 21 )

Estimated Ship Date: Monday 8/4/2025

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Automatic Transmission Shift Kits, TCC Zip Kit, with O-Ring End Plugs, Converter Limit Valve, Regulator/Shuttle, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90TCCZ

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Shift Kit, Automatic, Full Manual, GM, 700R4, Towing, Competition, Pro Sreet, Each

Part Number: TRG-700-2-3

4.32 out of 5 stars ( 25 )

Estimated Ship Date: Monday 8/4/2025

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Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH400, 1965-95, Kit

Part Number: TRG-400-1-2

4.76 out of 5 stars ( 21 )

Estimated Ship Date: Monday 8/4/2025

Shift Kit, Tugger Type, Ford, E4OD, 4R100, Towing, Off-Road, Heavy Duty, Each

Part Number: TRG-4R100-HD2

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Monday 8/4/2025

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Shift Kit, Automatic Type, Ford, AODE, 4R70W, Towing, Competition, Heavy Duty, Pro-Street, Each

Part Number: TRG-AODE-HD2

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Monday 8/4/2025

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Automatic Transmission Shift Kits, Zip Kit, with Boost Valve, O-Ring Plugs, Accumulator Pistons, Spring, Sleeves, Ford, 6R140, Kit

Part Number: SOX-6R140-ZIP

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Transmission Upgrade Kit, Transpak, GM, TH350, TH375B, M38, Each

Part Number: BMM-30228

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 8/4/2025

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Performance Shift Kit, 4L60E, 4L65E, 4L70E, Kit

Part Number: TRG-4L60E-PRO

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

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Automatic Transmission Shift Kits, Shift Zip Kit, with Clutch Valves, Accumulator Pistons, Spring, Sleeves, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90SHIF

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Transmission Upgrade Kit, Transpak, GM, TH400, TH375, M40, Each

Part Number: BMM-20228

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

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Automatic Transmission Shift Kit, Gaskets, Jeep, Toyota, Kit

Part Number: TRG-340-HD2

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 8/4/2025

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Automatic Transmission Shift Kits, Zip Kit, with End Plugs, O-Rings, Solenoid Modulator, Boost/Accumulator/Lockup Control Valves, Lexus, Toyota, Kit

Part Number: SOX-S0001

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Automatic Transmission Shift Kit, Automatic Transmission Valve Body Repair Kit, 8L90E, Cadillac, Chevrolet, GMC, Kit

Part Number: TRG-SK-8L90

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Automatic Transmission Shift Kit, Diesel and Gas Engines, Chrysler, Dodge, 42, 44, 46, 47, RE and RH, Kit

Part Number: TRG-SKTFODDIESEL

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 8/4/2025

Shift Kit, Automatic Type, Chrysler, Street, Full Race, Each

Part Number: TRG-TFOD-HD2

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 8/4/2025

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Shift Kit, Automatic Type, Ford, AOD, Hi-Rev, Muscle Car Shifts, Each

Part Number: TRG-AOD-HP

4.31 out of 5 stars ( 16 )

Estimated Ship Date: Monday 8/4/2025

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Shift Kit, Performance, Full Manual or Automatic Capability, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH400

Part Number: TRG-400-3

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 8/4/2025

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Shift Kit, Automatic Type, Ford, E4OD, 4R100, Street Sport Trucks, Each

Part Number: TRG-E4OD-HD2

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 8/4/2025

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