Symptoms:

  • No converter apply
  • 1-2, 2-3, 4-5 Flares

4L80-E, 4L85-E

O-Ringed End Plug Kit
Part No. 34994-14K

Fits .668" dia. bores

Find a Distributor
  • End Plugs (5)
  • O-Rings (5)

Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.

GM 4L80-E, 4L85-E, 400 Valve Body Layout

GM 4L80-E, 4L85-E, 400 Valve Body Layout
  • 4L80-E, 4L85-E O-Ringed End Plug Kit 34994-14K