Description
Sonnax Number 77917-500, 200-4R Mega Boost Valve, with O-Rings
Size: .500 of an Inch
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 leakage.
The Sonnax drop-in TV 200-4R mega boost valve kit number 77917-500 eliminates these problems for a variety of applications.
- 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
- Drop-in Zip Valve parts install quickly and easily
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