Product Description
Fits: 2001-2003
TransGo lock-up boost valve for Allison 1000, 2000 and 2400 transmissions, 2001-03. It is intended for high horsepower applications and is recommended for race use only.
TransGo states that it reduces torque converter slip under heavy duty or race conditions and addresses code P0741. With the 2 optional springs, it significantly increases lock-up oil pressure. TransGo part number A1-LU-BST.