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Automatic Transmission Shift Kits
Instead of replacing your automatic transmission’s whole valve body, you can get better performance out of your stock valve body with a transmission shift kit....
Instead of replacing your automatic transmission’s whole valve body, you can get better performance out of your stock valve body with a transmission shift kit. Different manufacturers use different components and techniques, but they all modify the way transmission fluid is routed through the valve body. Some kits are made for racing and performance driving, while others are for towing and heavy-duty hauling. Whatever your application demands, Summit Racing Equipment has the shift kit you need.
Top Brands
When it comes to the complexities of your automatic valve body, you want a manufacturer you can trust. Summit...
Instead of replacing your automatic transmission’s whole valve body, you can get better performance out of your stock valve body with a transmission shift kit. Different manufacturers use different components and techniques, but they all modify the way transmission fluid is routed through the valve body. Some kits are made for racing and performance driving, while others are for towing and heavy-duty hauling. Whatever your application demands, Summit Racing Equipment has the shift kit you need.
Top Brands
When it comes to the complexities of your automatic valve body, you want a manufacturer you can trust. Summit only carries transmission shift kits from top name brands, including TransGo, TCI Auto, B&M, Sonnax, and Performance Automatic.
Showing In Stock Items. Show All 83 Items.
Specialty Components, 8L45, 8L90 VB Pulse Dampeners Accumulators (tool not included)
Part Number: TRG-8L90-PDP-OS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Specialty Components, Solenoid Switch Valve Refill Kit (.420 Diameter Only) Does not include tools.
Part Number: TRG-RFE-SV420-NT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Specialty Components, 6T70-80 GEN1/ GEN2 VB Pulse Dampeners Accumulators (tool not included)
Part Number: TRG-6T70-PDP-OS
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Specialty Components, Toyota End Plug Kit with 6 steel end plugs, orings and installation tool
Part Number: TRG-960-VB-PLGS
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Specialty Components, 6T30/40/45/50 GEN2 and GEN3 VB Pulse Dampeners Accumulators (tool not included)
Part Number: TRG-6T40-PDP-OS
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Specialty Components, 5L40E AFL/PR Repair Kit (does not include tools)
Part Number: TRG-5L4-ACT-VL5
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Shift Kit, Automatic Type, GM, 4L80E, 4L85E, Forward/Standard Shift Pattern, Each
Part Number: TRG-4L80E-HD2
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Automatic Type, Includes .500 in. Boost Valve, GM, 4L60E, Each
Part Number: TRG-4L60E-HD2
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Shift Kit, 6L80, 6L80E, 6L90, 6L90E, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit
Part Number: TRG-SK6L80
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH350, 1969-81, Kit
Part Number: TRG-350-1-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Shift Improvement, ISO-CON Valve, GM, 4L60E, 4L65E, 4L70E, 4L75E, Each
Part Number: TRG-SK4L60E
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Performance, Gaskets, Pro-Race, Heavy Duty, Super Show Off, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, TH400, Kit
Part Number: TRG-400-PRO
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Upgrade Kit, Shift Improver, GM, TH400, TH375, M40, Each
Part Number: BMM-20260
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH400, 1965-95, Kit
Part Number: TRG-400-1-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Automatic Type, Chrysler, Torqueflite, 3 Speed, Full Race Shifts, Each
Part Number: TRG-TF-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Stick Type, GM, 4L60E 1993-2005, Competition, Off-Road, Pro-Street, Each
Part Number: TRG-4L60E-3
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Automatic Type, Ford, AODE, 4R70W, Towing, Competition, Heavy Duty, Pro-Street, Each
Part Number: TRG-AODE-HD2
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Automatic, Full Manual, GM, 700R4, Towing, Competition, Pro Sreet, Each
Part Number: TRG-700-2-3
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Shift Kit, Gaskets, Jeep, Toyota, Kit
Part Number: TRG-340-HD2
Estimated Ship Date: Today
Estimated Ship Date: Today
Shift Kit, Automatic Type, Ford, C-6, Towing, Competition, Heavy Duty, Gas Engines, Each
Part Number: TRG-67-1-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Shift Kit, Diesel and Gas Engines, Chrysler, Dodge, 42, 44, 46, 47, RE and RH, Kit
Part Number: TRG-SKTFODDIESEL
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Upgrade Kit, Shift Improver, GM, 700R4, 4L60, Each
Part Number: BMM-70239
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Shift Kit, Automatic Type, Ford, E4OD, 4R100, Street Sport Trucks, Each
Part Number: TRG-E4OD-HD2
Estimated Ship Date: Today
Estimated Ship Date: Today
