Ford EcoBoost 3.5L Base Kit to remove broken exhaust manifold studs / bolts. For Ford F-150 and Ford Transit. Made In USA. Twin turbochargers, broken titanium bolts, small engine bays, along with dimensional changes in the cast iron manifolds due to extreme heat create new problems for the servicing technician. Elizabeth II facilitates the removal of broken exhaust manifold bolts on Ford EcoBoost 3.5L engines. The 3.5L Ford EcoBoost Exhaust Manifold Repair Base Kit, along with every other USA-made ProMAXX Tool solution, greatly reduces repair times, allowing vehicle mechanics to quickly make the fix and move on to other projects. The kit is easy to use, and it comes with instructions and schematics that show the best ways to mount the plate to get at every broken bolt on the manifold. ProMAXX Toolâ??s exclusive screw-in bushings, which incorporate proprietary mating angles that once seated, bring the bushing into perfect alignment with the cylinder head. Resulting in the most accurate and precise tool in t market. Other kits use inexpensive clamps or loose slip-fit bushings. Bolting the Elizabeth II jig in any position with our included precision fasteners provides unparalleled repeatable and predictable results.