The ProMAXX Elizabeth ProKit II is capable of removing hardened titanium bolts commonly found in the Ford 3.5L EcoBoost. The kit combines ProMAXX Tool’s engineered guide plates with high-grade platinum tooling that is capable of drilling through the hardened metal in broken bolts. The Elizabeth ProKit II is engineered for use in Ford 6 cylinder V6 3.5L EcoBoost engines found in models such as Ford Expedition, F-150 Series, Ford Transit, and Lincoln Navigator.