Tool should slide into opening toward engine with the top of the tool engaging the teeth of the flywheel. Duramax 4500 / 5.
22100 Flywheel Locking Tool for 6.6L Duramax Socket 2500 3500 4500 5500
22100 Flywheel Locking Tool for 6.6L Duramax with 36mm 3/4'' Socket
Yoursme 22100 Flywheel Locking Tool for 6.6L Duramax with 36mm 3/4'' Socket
Car Flywheel Timing Tool Carbon Steel Flywheel Locking Tool Compatible with 1...
Flywheel Locking Tool Engine Flywheel Holder Precision Engine Timing Tool Easy