The COMP crankshaft socket for GM LS GEN III/IV is the last crankshaft socket that you'll need. Featuring a 1/2" drive socket and a knurled nut, our socket is designed for use with a degree wheel.
Use COMP Cams Crankshaft Sockets To Safely Hand-Rotate Your Engine. When slipped on the end of a crankshaft, these specially designed 1/2" drive sockets allow you to rotate the engine assembly. These sockets also provide a great way to attach our Part #4790 or #4791 degreewheel to the engine.
