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TV Boost Valve Diameter: .570" Applications
Product Discontinued
TCIPART NUMBER: 890-374401

TV Boost Valve Diameter: .570" Applications

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

    TV Boost Valve
  • Diameter: .570"
    Applications
  • TH700-R4
  • TH200-4R

    Applications exceeding 450 horsepower can definitely benefit from the increased clamping force generated by higher line pressures. Depending on what pressure regulator spring is used, the TCI® 374401 TV boost valve will generate maximum line pressures from 275-300 psi. across the board. The 0.570-inch diameter boost valve has 41% more surface area than the largest OEM TV valve, raising pressure in Drive and Overdrive ranges.

    TCI Boost Valves replace stock in all 700R4 and 2004R applications. The boost valve increases clamping forces generated by higher line pressure. The 890-374301 is best suited for applications stock to 450 HP. The 890-374401 is best for applications exceeding 450 HP (best when used with Low Rev Boost Valve 890-374410, which provides the added line pressure needed when making BIG horsepower).

    Features
  • Increases clamping forces generated by higher line pressure
  • Noticeable pressure increase over stock valves
  • Easy to install
Part TypeAutomatic Transmission Kickdown Cable
Product LineTCI TV Boost Valves
BrandTCI
Package Height1.0
Package Width4.0
Package Length4.5
Weight0.05 PG
Part CategoryPerformance Parts
Vendor Part Number374401
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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