Easily drill and pin your GM LS/LT series crankshaft & balancer to prevent slip when using a supercharger Compatible with all Gen 3, 4, & 5 series engines Made in Wichita, Kansas from USA produced steel High grade, drill bit easily drills the crank and balancer (works with truck balancers too) Includes, drill sleeve fixture, drill bit, tool hold down bolt, 4pcs 1/4″ diameter dowel pins
