Description
TOOL BORE SIZING E SHIFT VALVE LT1000 2001-UP NUMBER 37000-02BST
37000-02BST (1 TOOL). A sticking E-shift valve in an Allison series unit can be caused by a weak spring, an out-of- round valve bore, or excessive flashing on the valve body casting. The Sonnax E-shift valve spring has a higher spring rate than the OEM while the bore sizing tool allows you to improve bore roundness and remove excessive flashing.