The best protection available against costly propeller theft. Once installed the McGard propeller lock offers 24 hour protection during use, storage and transit. A free-spinning collar will turn if attacked by gripping tools without loosening the lock. Constructed of naval brass and hardened stainless steel for maximum security.
Fits: Sterndrives: MerCruiser Bravo III (up to 2003), Blackhawk., Thread: 1-14
Fits: Outboards: Johnson/Evinrude 40-140 HP (2 stroke). Note: some 90 HP & 130 HP may have a 3/4-16 shaft), Thread: 5/8-11
Fits: Sterndrives: Volvo DP-S (Duo-Prop), Thread: M22 x 2.0
Fits: MerCruiser Alpha I, Bravo I (Incl. X & XR), TRS, Vazer, OMC Cobra and King Cobra, Thread: 3/4-16
Fits: Yamaha stern drives All; Outboards: Honda 75 hp & larger; Suzuki 40 hp & larger; Yamaha 115 hp & larger; Johnson/Evinrude 150 hp & larger (4 stroke)., Thread: M18 x 1.5