McGuard 1/2" OUTBOARD MOTOR BOLT LOCK KIT FOR MARINER MOUNTING BOLTS ON 40HP & LARGER MODELS McGuard Outboard motor locks are designed to lock the outboard onto the transom of the boat.Simply replace one of the mounting nuts with a McGuard locking nut.These outboard motor locks are fully machined from high quality stainless steel and are through-hardened.
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