Yamaha Outboard Lower Unit Lock

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Mfr # 74059. Designed for Yamaha lower units; we feature a SS locking bolt. Simply replace one of the original bolts above the propeller with a McGard locking bolt. Once installed; the lower unit lock bolt offers 24 hour protection. Constructed of through-hardened stainless for maximum security. A free-spinning collar will turn if attacked by gripping tools without loosening the lock. For maximum security; use in conjunction with a Yamaha lower unit lock bolt. Show more