Lisle 71400 GM Exhaust Manifold Drill Template

Removes Broken Exhaust Manifold Bolts on GM LS III 4.8L, 5.3L and 6.0L 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.

Includes:
68690 Stud Extractor
71380 GM Drill Plate
71390 Drill Depth Gauge
71410 Alignment Bolt
71420 8mm Tap Aligner
71450 Lock Screw
71460 1/8" Slip/Fix Bushing
71470 3/16" Cobalt Drill
71480 17/64" Slip/Fix Bushing
71520 1/8" Cobalt Drill
71530 3/16" Cobalt Drill
71540 17/64" Cobalt Drill
71550 Case for the 71400