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TV Boost Valve Kit,200-4R,4L60,O-Ring Style,81-93

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TV Boost Valve Kit, .471" Bore Diameter
Price: $25.99
Part Number: TAT-77917-471-SX
TV Boost Valve Kit,200-4R,4L60,O-Ring Style,81-93.

A common problem in GM 4L60 transmissions is burnt bands and/or 3-4 clutches. 
This failure can be reduced by eliminating throttle boost oil leakage. 
Sonnax TV boost valve kit TAT-77917-471SX will eliminate these problems for a variety of applications. 
For a higher pressure boost, use TV boost valve kit TAT-77917-500SX.

Features & Benefits

Throttle valve boost valve and sleeve are made from made from hardened steel for better wear resistance.
O-rings on sleeve separate throttle pressure and reverse boost circuits, providing additional protection against cross leaks.
O-rings prevent loss of oil between the outside diameter of the throttle valve sleeve and pump body.

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