Product Description
Fits: 8L90, 8L45
A tool kit made to install TransGo's 8L90-S4LATE-OS oversize S4 regulator valve on GM 8L90 and 8L45 automatic transmissions. It is sold separately from the valve itself and is only needed when installing that oversize valve. This tool kit is specific to the 8L90 and 8L45 platforms and is not needed unless installing that particular TransGo oversize valve.
Notes
Tool kit required for TransGo 8L90-S4LATE-OS