• Designed for aligning the camshaft, loosen and insert the sprocket, and rotating the crankshaft.
• Helps prevent skipping of the chain during installation.
• If skipping does occur engine timing will need to be reset.
• Equivalent to BENZ no. ref.: 60831800, 60831830, 60831820, 60831810
• Application: BENZ M651
• Models: 204, 639, 906.