Automatic Transmission Shift Kits

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: Friday 12/26/2025

• Free Shipping
• $10 Summit Bucks

Shift Improver Performance Pack, 4R100, Ford, Kit

Part Number: SOX-HP-4R100-01

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping
• $10 Summit Bucks

ZIP KIT

Part Number: SOX-ZF8-ZIP

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

• $10 Summit Bucks

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

Part Number: BMM-20228

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Shift Kit, Full Manual, Chrysler, Full Race, Competition, Off Road, Pro Street, Each

Part Number: TRG-TFOD-3

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Shift Kit, Performance, Ford, Lincoln, Mercury, 1970-83, Automatic Shift, C-4, Each

Part Number: TRG-40-2

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Friday 12/26/2025

Shift Kit, Zip Kit, BMW, Ford, Infiniti, Lexus, Volkswagen, Volvo, Kit

Part Number: SOX-ZF6-6R60-ZIP

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping
• $10 Summit Bucks

Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH350, 1969-81, Kit

Part Number: TRG-350-3

4.47 out of 5 stars ( 17 )

Estimated Ship Date: Friday 12/26/2025

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Specialty Components, Solenoid Switch Valve Refill Kit (.453 Diameter Only) Does not include tools.

Part Number: TRG-RFE-SV453-NT

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

Shift Kit, Shift Improvement, without Auxiliary Valve Body, GM, 700R4, 4L60, Each

Part Number: TRG-SK700

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Friday 12/26/2025

Automatic Shift Kit, 45RFE, 545RFE, 68RFE, Chrysler, Dodge, Jeep, Ram, Kit

Part Number: TRG-SK45RFE

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Friday 12/26/2025

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

Part Number: TRG-AOD-HP

4.29 out of 5 stars ( 17 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

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 ( 16 )

Estimated Ship Date: Friday 12/26/2025

Automatic Transmission Shift Set, Performance, with EPC Boost Pressure Relief Valve System, for 4L80E, 4L85E, Kit

Part Number: TRG-SK4L80E

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

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

Part Number: TRG-340-HD2

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Shift Kit, Zip Kit, ZF6HP-21, ZF6HP-28, ZF6HP-34, Kit

Part Number: SOX-ZF6-GEN2-ZIP

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

• Free Shipping
• $10 Summit Bucks

Transmission Upgrade Kit, Shift Improver, GM, 700R4, 4L60, Each

Part Number: BMM-70239

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Friday 12/26/2025

Shift Kit, Shift Improvement, with Auxiliary Valve Body, GM, 700R4, 4L60, Each

Part Number: TRG-SK700-JR

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 12/26/2025

Automatic Transmission Shift Kits, Valve Body Repair, AB60F, AB60E, A761E, A760H, A760E, A750F, A750E, Kit

Part Number: TRG-SKA750WTA

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Shift Kit, Performance, Chevy, GMC, Allison, 1000, 2000, 2400, Kit

Part Number: TRG-SKALLISON-JR

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Friday 12/26/2025

Transmission Upgrade Kit, Transpak, GM, 700R4, 4L60, Each

Part Number: BMM-70235

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping

Shift Kit, Zip Kit, 6R80, 6R100, Kit

Part Number: SOX-6R80L6R100ZI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping
• $10 Summit Bucks

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: Friday 12/26/2025

• Free Shipping

Shift Kit, Automatic Type, Ford 1967-69, C-4, Towing, Competition, Heavy Duty, Each

Part Number: TRG-47-2

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Friday 12/26/2025

Shift Kit, Transpak, Chrysler, 727, A-904, Each

Part Number: BMM-10228

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

• Free Shipping