1979-1993 Ford Mustang 2" x 3 1/2" Header For Trick Flow "H/P" Street Heat / Brodix Track 1 (New Style Cylinder Heads) 2" x 3 1/2" Stainless Steel Long Tube Headers For use with 2 3/4" diagonal bolt pattern and raised port height on 351 with 9.5 deck Must be used with AJE Motor Mounts, Starter #, and AJE or QA1 K-Member May work with other K-Members but may require modifications Due to the design of this product some applications may require the use of a Flaming River Steering Shaft Gaskets and all installation hardware included These products are NOT legal for sale, installation, or use on a licensed vehicle in the state of California, and they do NOT meet CARB compliance