Twin McGard Stern Drive Lock

Product Description:

Protect your boat’s stern drives with the McGard Boat Anti-Theft Locking Lug Set, engineered to deliver superior security and durability. Crafted from high-quality stainless steel and through-hardened for maximum strength, each locking lug features McGard’s patented free-spinning collar designed to resist gripping tools and prevent unauthorized removal.

Specifically designed for popular stern drives including MerCruiser Alpha, Bravo I-III, OMC Cobra, King Cobra, and Volvo SX, this locking lug set provides 24/7 protection without compromising your boating experience—no need to remove the locks when operating your boat. The package includes two locking lugs, a unique key that fits both, and protective covers for enhanced security and corrosion resistance.

Manufactured in the USA to meet stringent OEM specifications, these locks combine marine-grade materials and precision engineering to ensure lasting performance in harsh marine environments. Easy to install with a straightforward process, the McGard locking lug set is the trusted choice for boat owners who demand reliable theft deterrence.

Product Specifications:

• Thread Size: 7/16"-20

• Compatibility: Fits MerCruiser® Alpha, Bravo I-III (including X & XR), Blackhawk, OMC Cobra & King Cobra, Volvo SX, DP-S stern drives

• Includes: 2 Locks, 1 Unique Key (fits both), Lock Covers

• Made In: USA, built to OEM specifications

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.