Mandatory- beginning in 2008 - ALL Allison Legacy Series cars MUST have the new Tuthill Bar added to chassis roll cage.  This 1-1/4" .083 round bar will be welded between the dash bar and the top hoop of main roll cage.  This bar will be located 21" from the inside of the passenger side window post bar (REFER to Yellow Box area). The driver side of the top of the bar will be centered with the center top hoop brace bar. 

  NOTE--Dash will be notched 2" above top of dash bar.  See photos below and contact your local Allison Legacy Series dealer for information and installation.