Porsche 930-964-993 EXHAUST MANIFOLD STUD DRILL JIG KIT

Porsche 930-964-993 EXHAUST MANIFOLD STUD DRILL JIG KIT This well designed kit enables you to remove and re-thread the Exhaust manifold studs without going through the pain of engine removal. Having carried out a number of manifold removals we have created this kit to overcome the issues that are faced. The kit comprises of a precision CNC machined drill jig. Its lightweight but robust to ensure your arms are as less stressed as possible when initially holding it in place. Us eone of the drill bushes locate either on the remains of broken off studs or from the threaded hole that remains after the occassional successful stud removal. Use on of the supplied disks as location aid to position the drill over a broken stud or bolt. Drill a pilot hole to the correct depth and then use the core removal drill to remove the bolt/stud remains. The pick out any remains using the supplied engineers scribe. Clean out the thread with the supplied tap.