McGARD 74019 TWIN STERN DRIVE LOCK - 7/16" X 20
Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft.
Fits: MerCruiser® Alpha, Bravo I-III (Incl. X & XR), Blackhawk OMC Cobra & King Cobra
Volvo SX, DP-S with 7/16 - 20 mounting bolts.