Lisle Corp.’s Manifold Drill Template (71400) removes broken exhaust manifold bolts on GM LS III 4.8L, 5.3L and 6.0L motors without damaging the cylinder head. The template’s tapered bolts center base plate fits over bolt holes and slip fit bushing allows movement from hole to hole without moving the base plate. The screw extractor is then used to remove the broken bolt. The template includes a bushing to drill to tap size when the extractor cannot be used.
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