2004R 4L60 700R4 Transmission TV Boost Valve Kit Sonnax 77917-500 .500"
.500" Dia., O-Ring styleA 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 77917-500 will eliminate these problems for a variety of applications, and will boost pressure higher than TV boost valve kit 77917-471 due to the increased .500" valve spool ratio.Returns higher pressure than OE-ratio valveBoost valve and sleeve are made from hardened steel for better wear resistanceO-rings on sleeve separate throttle pressure and reverse boost circuits, providing additional protection against cross leaksO-rings prevent loss of oil between the outside diameter of the throttle valve sleeve and pump bodyContentsValveSleeveO-Rings (2)Parts ship daily
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