This ProKit Plus version allows technicians facing broken manifold bolts on 4.0L Ford Explorer engines to make an Extractorless repair in a fraction of the time. ProMAXX Tool provides you with precise and quality tooling to make sure you get the job done quickly and correctly. The 4.0L Ford Explorer Exhaust Manifold Bolt Repair ProKit Plus (Tarin) combines ProMAXX Toolâ??s precision-engineered guide plates (commonly called drill templates or jigs) with machine shop-grade drill bit tooling which is capable of drilling through the hardened metal in broken bolts. ProMAXX Toolâ??s machine grade tooling is specially engineered to close tolerances of (+) .000â? and (-) .001â? and ground straight to ensure accurate and repeatable results in using the new device. Specify PROMAXXâ??genuine replacement parts and tooling for optimum performance and extended warranty coverage. Always use appropriate OSHA-approved safety glasses/goggles and protective gloves while using this device and performing this operation. Thilus allows technicians facing broken manifold bolts on 4.0L Ford Explorer engines to make an Extractorless repair in a fraction of the time they faced without the kit.