Remove the broken exhaust manifold bolts. Tapered bolts center base plate over bolt holes and slip fit bushing allows you to move from hole to hole without moving base plate. Then the screw extractor is used to remove the broken bolt.
71400 Manifold Drill Template for GM /Chevy LSIII 4.8L, 5.3L & 6.0L Motors 99-07
Lisle 71400 Manifold Drill Template for GM LSIII Engines, Bolt Removal Jig
Manifold Drill Template Broken Bolt fits GM Chevy LSIII 4.8L 5.3L 6.0L LIS-71400
Lisle 71600 Manifold Drill Template Ford 4.6L, 5.4L And 6.8L
Lisle 71600 Manifold Drill Template Ford 4.6L, 5.4L & 6.8L
Lisle Tools 71500 Exhaust Manifold Drill Template For 5.7L HEMI Removes Broken S