Add the fasteners and tooling to your Bullit ProKit necessary to work on vehicles with a 3/8-Inch Classic thread pattern. Universal BULLITÂŽ: most versatile, most precise tool engineered for broken bolts, including exhaust & intake manifold, oil pan, valve cover etc. One kit, unlimited possibilities. BULLITÂŽ was engineered to address broken bolts, including exhaust manifold bolts, in almost any engine. From 4, 6, 8, 10, and even up to 12-cylinder engines. Oil pans, water pumps, intake manifolds, BULLITÂŽ is adaptable to fit any linear bolt pattern perfectly. In terms of exhaust manifold Ford, Dodge, Toyota, and Nissan light-duty trucks/cars/marine engines are no problem with the versatility designed into BULLITÂŽ. Class 8 diesel engines such as over the road tractor, construction, agricultural, and marine heavy-duty diesel engines with just one device. How is that possible? BULLITÂŽ has adjustable carriages that allow the tool to be configured to the exact bolt pattern of just about any linear bolt pa, eliminating machine tolerances. Why? BULLITÂŽ copies the bolt pattern exactly. How? The Kit comes with three fasteners which allow the jig to match the bolt pattern. Locking the sliding carriages down immediately replicates the bolt pattern precisely. In fact, better than any other kit in the world.