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Automatic Transmission Shift Kits
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Automatic Transmission Shift Kits

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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 18 Items.

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Results 1 - 14 of 14

TransGo Performance Shift Kits 4L80E-HD2

TransGo Performance Shift Kits 4L80E-HD2

TransGo Performance Shift Kits 4L80E-HD2

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

Part Number: TRG-4L80E-HD2

4.63 out of 5 stars ( 57 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Shift Improver Performance Packs HP-4L80E-01

Sonnax Shift Improver Performance Packs HP-4L80E-01

Sonnax Shift Improver Performance Packs HP-4L80E-01

Automatic Transmission Valve Body, GM 4L80-E, 4L85-E, Performance, Each

Part Number: SOX-HP-4L80E-01

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TransGo Performance Shift Kits 4L80E-3

TransGo Performance Shift Kits 4L80E-3

TransGo Performance Shift Kits 4L80E-3

Shift Kit, Stick Type, Full Manual, GM, 4L80E, Competition, Off-Road, Pro-Street, Each

Part Number: TRG-4L80E-3

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TransGo Performance Shift Kits SK 4L80E

TransGo Performance Shift Kits SK 4L80E

TransGo Performance Shift Kits SK 4L80E

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: Tomorrow

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Estimated Ship Date: Tomorrow

TransGo Performance Shift Kits 4L60EHD2

TransGo Performance Shift Kits 4L60EHD2

TransGo Performance Shift Kits 4L60EHD2

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

Part Number: TRG-4L60E-HD2

4.75 out of 5 stars ( 59 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Shift Improver Performance Packs HP-4L60E-01

Sonnax Shift Improver Performance Packs HP-4L60E-01

Sonnax Shift Improver Performance Packs HP-4L60E-01

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: Tomorrow

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Estimated Ship Date: Tomorrow

TransGo Performance Shift Kits SK 4L60E

TransGo Performance Shift Kits SK 4L60E

TransGo Performance Shift Kits SK 4L60E

Shift Kit, Shift Improvement, ISO-CON Valve, GM, 4L60E, 4L65E, 4L70E, 4L75E, Each

Part Number: TRG-SK4L60E

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TransGo Automatic Transmission Shift Kits 4L60E-PRO

TransGo Automatic Transmission Shift Kits 4L60E-PRO

TransGo Automatic Transmission Shift Kits 4L60E-PRO

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

Part Number: TRG-4L60E-PRO

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TransGo Performance Shift Kits 4L60E-3

TransGo Performance Shift Kits 4L60E-3

TransGo Performance Shift Kits 4L60E-3

Shift Kit, Stick Type, GM, 4L60E 1993-2005, Competition, Off-Road, Pro-Street, Each

Part Number: TRG-4L60E-3

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Trans-Scat Valve Body Kits 276005

Made in the USA

TCI Trans-Scat Valve Body Kits 276005

TCI Trans-Scat Valve Body Kits 276005

Transmission Upgrade Kit, Trans-Scat, Chevy, GMC, Bentley, Hummer, Jaguar, Rolls Royce, 4L80E, Each

Part Number: TCI-276005

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

Shiftworks Automatic Transmission Shift Kits SC2252-RVB

Shiftworks Automatic Transmission Shift Kits SC2252-RVB

Shiftworks Automatic Transmission Shift Kits SC2252-RVB

Conversion Kit, 1968-70 Chevelle 4-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit 4L80E, 4L85E

Part Number: SIW-SC2252-RVB

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Automatic Transmission Shift Kits SC2253-RVB

Shiftworks Automatic Transmission Shift Kits SC2253-RVB

Shiftworks Automatic Transmission Shift Kits SC2253-RVB

Conversion Kit, 1971-72 Chevelle 4-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit 4L80E, 4L85E

Part Number: SIW-SC2253-RVB

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Shiftworks Automatic Transmission Shift Kits SC225-RVB

Shiftworks Automatic Transmission Shift Kits SC225-RVB

Shiftworks Automatic Transmission Shift Kits SC225-RVB

Conversion Kit, 1968-69 Impala 4-Spd Automatic Reverse Valve Body Factory Shifter Conversion Kit 4L80E, 4L85E

Part Number: SIW-SC225-RVB

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

ATP Automatic Transmission Shift Improver Kits for 2001 SIERRA 3500 - SK-3

ATP Automatic Transmission Shift Improver Kits for 2001 SIERRA 3500 - SK-3

ATP Automatic Transmission Shift Improver Kits for 2001 SIERRA 3500 - SK-3

ATP Automatic Transmission Upgrade Kit

Part Number: ATP-SK3

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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