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Summit Racing SpeedCard - learn how to get 10% back up to $100

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TCI Valve Body Performance Improver Transmission Upgrade Kits
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TCI Auto

TCI Valve Body Performance Improver Transmission Upgrade Kits

3.38 out of 5 stars 8 Customer Reviews

TCI valve body performance improver kits are designed to change the shift action to a more positive shift. Reduced shift time can add life to the clutches and bands and remove the lag time between shifts. These kits are easy to install and come with the necessary parts and gaskets to install the valve body.

Showing In Stock Items. Show All 12 Items.

Results 1 - 6 of 6

TCI Valve Body Performance Improver Transmission Upgrade Kits 222400TCI

TCI Valve Body Performance Improver Transmission Upgrade Kits 222400TCI

TCI Valve Body Performance Improver Transmission Upgrade Kits 222400TCI

Valve Body, TH400 Man/Auto, Cast Iron, Each

Part Number: TCI-222400TCI

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Valve Body Performance Improver Transmission Upgrade Kits 122500

Made in the USA

TCI Valve Body Performance Improver Transmission Upgrade Kits 122500

TCI Valve Body Performance Improver Transmission Upgrade Kits 122500

Transmission Upgrade Kit, Shift Improver, Chrysler, Dodge, Plymouth, Torqueflite 727, Each

Part Number: TCI-122500

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Valve Body Performance Improver Transmission Upgrade Kits 122600

Made in the USA

TCI Valve Body Performance Improver Transmission Upgrade Kits 122600

TCI Valve Body Performance Improver Transmission Upgrade Kits 122600

Transmission Upgrade Kit, AMC, Chrysler, A-904, Each

Part Number: TCI-122600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 9, 2026 if ordered today

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Estimated Ship Date: Dec 9, 2026 if ordered today

TCI Valve Body Performance Improver Transmission Upgrade Kits 326200

Made in the USA

TCI Valve Body Performance Improver Transmission Upgrade Kits 326200

TCI Valve Body Performance Improver Transmission Upgrade Kits 326200

Transmission Upgrade Kit, Trans-Scat, Chevy, Buick, Oldsmobile, Pontiac, GMC, TH350, Each

Part Number: TCI-326200

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2026 if ordered today

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Estimated Ship Date: Dec 10, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

B&M Shift Improver Kits 30262

B&M Shift Improver Kits 30262

4.75 out of 5 stars ( 29 )

Estimated Ship Date: Today

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TCI Valve Body Performance Improver Transmission Upgrade Kits 376500

Made in the USA

TCI Valve Body Performance Improver Transmission Upgrade Kits 376500

TCI Valve Body Performance Improver Transmission Upgrade Kits 376500

Transmission Upgrade Kit, Performance Improver, Chevy, 700R4, Kit

Part Number: TCI-376500

2.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Valve Body Performance Improver Transmission Upgrade Kits 226000

Made in the USA

TCI Valve Body Performance Improver Transmission Upgrade Kits 226000

TCI Valve Body Performance Improver Transmission Upgrade Kits 226000

Transmission Upgrade Kit, Valve Body Performance Improver, GM, TH400, Kit

Part Number: TCI-226000

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2026 if ordered today

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Estimated Ship Date: Dec 10, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

B&M Shift Improver Kits 20260

B&M Shift Improver Kits 20260

4.75 out of 5 stars ( 17 )

Estimated Ship Date: Today

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