Valve Body Performance Improvement Kit 1966-91 GM TH400
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TCIPART NUMBER: 890-226000

Valve Body Performance Improvement Kit 1966-91 GM TH400

$8995
ShippingShips on Oct 27, 2026
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GM
    Valve Body Performance Improvement Kit
  • 1966-91 GM TH400

These TCI Valve Body Performance Improvement Kits are value priced and designed to change the shift action to a more positive shift providing added performance in street, off-road or towing applications. Reduced shift time adds life to the clutches and bands while removing lag time between shifts. Easy to install and includes all necessary parts and gaskets.

Features:

  • Designed to change the shift action to a more positive shift
  • Reduced shift time adds life to the clutches and bands
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  • Improves lag time between shifts
  • Easy to install
  • Includes all necessary hardware
Part TypeShift Kit
Product LineTCI Valve Body Performance Improvement Kits
BrandTCI
Package Height2.1
Package Width10.2
Package Length11.8
Weight1.26 PG
Part CategoryPerformance Parts
Filter IncludedYes
Gaskets IncludedYes
QuantitySold as a kit
Full ManualNo
Part FitmentSemi Universal
Vendor Part Number226000
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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