HE451VE Bolt Spacing: 2.75" x 3.50" (70mm x 89mm). HE451VE Port Shape: Single Undivided Port. T3 Inlet Port Shape: Divided Twin Scroll Ports. T3 Inlet Bolt Spacing: 1.75" x 3.34" (44mm x 85mm). T4 Undivided Turbo to Fit Cummins Manifold HX30 HX35 HX40 5.9 24V 98.5-05 Kit.