Sonnax TV Boost Valve Kit - 77917-04K

A common problem in GM 200-4R and 4L60 transmissions is burned bands and/or 3-4 clutches. This failure can be reduced by eliminating throttle boost oil leaka

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Sonnax 77917-04K TV Boost Valve Kit .500 Dia., Factory-Style Sleeve (No O-Ring)

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200-4R, 4L60 TV Boost Valve Kit Part No. 77917-04K .500 Bore Dia., Factory-Style Sleeve 200-4R, 4L60 TV Boost Valve Kit Part No. 77917-04K .500 Bore

Sonnax 77917-04K TV Boost Valve Kit .500 Dia., Factory-Style Sleeve (No O-Ring)