June 06, 2018
Package Quantity: 10View Instructions Find a Distributor
A common goal with GM 4L60-series transmissions is to increase pump volume or output, but a common problem is fluctuating pressure in reverse. Sonnax pump spring spacer 77917-RV will preload the spring to increase pump output and stabilize the pressure.
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.