$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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Automatic Transmission Shift Kits

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.

Individual Parts

Results 1 - 9 of 9

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: Today

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

Part Number: SOX-HP-4L80E-01

Not Yet Reviewed

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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 ( 1 )

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Shift Improvement Kit 4L80E and 4L85E 1991-2009

Part Number: TRG-SK4L80E

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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 )

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

Part Number: TRG-4L60E-PRO

5.0 out of 5 stars ( 4 )

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Specialty Components, 4L60E Oversized actuator feed limit valve and spring

Part Number: TRG-4L60E-AFL-OS

Not Yet Reviewed

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SHIFT KIT Valve Body Repair Kit, 4L30E SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK4L30E

Not Yet Reviewed

Estimated Ship Date: May 13, 2025 if ordered today

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Estimated Ship Date: May 13, 2025 if ordered today

Specialty Components, 4L60E, 4L65E, 4L70E Reverse abuse bore (divider) plugs

Part Number: TRG-4L60EABUSEBP

Not Yet Reviewed

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