700R4 200-4R .500″ TV Boost Valve Kit Sonnax Number 77917-04K

$ 15.00

In stock

SKU: SX 77917-04K, a20 ra b7 Categories: , , , , Tags: ,


TV Boost Valve Kit, 700R4, 200-4R

Part No. 77917-04K

  • TV Boost Valve
  • TV Boost Sleeve

.500 of an Inch Factory-style sleeve (no O-rings)

A common problem in 700-R4 transmissions is burned bands and/or 3-4 clutches. This failure can be reduced by eliminating throttle boost oil leakage. The Sonnax replacement assemblies 77917-02K, 77917-03K, and 77917-04K eliminate these problems.

  • TV boost valve and sleeve are manufactured from hardened steel for better wear resistance.
  • Kits available in three sizes for .423″, .471″ and .500″ diameters.


Additional information

Weight 1 lbs
Dimensions 4 × 4 × 3 in