Summit Racing SpeedCard - learn how to get 15% back up to $150

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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.

Individual Parts

Results 1 - 6 of 6

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

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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

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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: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 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: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 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: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Secondary Pulley Regulator Valve Fits JF010E, RE0F09A

Part Number: TRG-JF010E-SPR

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

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