T6 Divided Turbo Flange has 10 mm x 1.5 mm threads and is used on all large frame turbo using the bolt pattern 2.75" x 4.43" with divided turbine housing inlet. The flange is made 10mm thick material to ensure no warpage under high loads or high temps. Mild Steel 304 1/2" 10mm Thick Fit T6 Turbo Inlet Bolt Center Width X Height - 2.75" (69mm) x 4.43"(113mm) Package: 1pcs*T6 Turbo Flange ** IMPORTANT INFORMATION ** Please double check the item size in our photo and description, if you bought the wrong size, we'll not responsible for the mistake, please kindly be noted, thanks. Minor modifications or adjustments maybe needed for some of our products. All items are Brand New unless stated otherwise on the listing. We sell DIY (Do It Yourself) Items with a few exceptions. Professional Installer Is Highly Recommend, No Installation Instruction Included.YiPin