Crankshaft Key
(Woodruff Key)
Crankshaft keys (also called woodruff keys) are semicircular shaped, removable keys that fit into matching keyways cut into the crankshaft leaving protruding tabs. These tabs mate with matching slots on the harmonic balancer flush upon the shaft. It is impossible for them to roll over in the seat which in turn helps guide the harmonic balancer and prevents the harmonic balancer from freely rotating about the shaft.
Contact our Tech Support Line for further information at 928-855-6341.
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Note: Images are for illustration purposes only. Images may not represent the product listed. Please contact customer service with any questions or concerns: 1-928-505-2501.
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Can't go wrong with oem 
