McGard Stern Drive Lock
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Simply replace one of the sterndrive mounting nuts for theft protection. Stainless steel with free-spinning collar that will turn if attacked by gripping tools. No assembly required. Fits Mercruiser Alpha, Bravo I-III (Incl. X & XR), Blackhawk, OMC Cobra & King Cobra, and Volvo SX & DP-S stern drives.
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