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Your cart is empty.2004R 4L60 700R4 Transmission TV Boost Valve Kit Sonnax 77917-471 .471" .471" Dia., O-Ring style A common problem in Compatible with 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 77917-471 will eliminate these problems for a variety of applications. For a higher pressure boost, use TV boost valve kit 77917-500. Boost valve and sleeve are 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 Contents Valve Sleeve O-Rings (2)
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