This kit is (1) "Enough for 1 Transmission, Refill for "2004R-LU" kit. It includes springs and valving necessary to fix an already bored Valve Body and install Hydraulic Lock Up in THM 2004R Valve bodies with " (1) Dummy Plug ". Will also work with earlier Valve bodies which already have Lock Up valving; will greatly improve the control of lock up timing and speed of apply.
Installation recommendation: Experienced technician
Transmission removal necessary: No