Removes Broken Exhaust Manifold Studs/Bolts on Dodge 5.7L Hemi motors, minimizing the risk of damaging the cylinder head. Tapered bolts center base plate over bolt holes and slip fit bushing allows you to move from hole to hole without moving base plate. The screw extractor is then used to remove the broken bolt. Includes bushing to drill to tap size when extractor cannot be used. Double sided drill depth gauge to make sure water jacket is not pierced. Dodge 5.7L Hemi Motors Without Damaging the Cylinder Head. Tapered bolts center base plate over bolt holes and slip fit bushing allows you to move from hole to hole without moving base plate. The screw extractor is then used to remove the broken bolt. Includes bushing to drill to tap size when extractor cannot be used. Double sided drill depth gauge to make sure water jacket is not pierced. 68690 Stud Extractor 71390 Drill Depth Gauge 71410 Alignment Bolt 71420 8mm Tap 71450 Lock Screw 71460 1/8″ Slip/Fix Bushing 71470 3/16″ Slip/Fix Bushing 71480 17/64″ Slip/Fix Bushing 71490 Dodge 5.7 Drill Plate 71520 1/8″ Cobalt Drill 71530 3/16″ Cobalt Drill 71540 17/64″ Cobalt Drill 71550 Case for the 71500