attwood Mercury 135-175 Swivl-Eze Lock N' Stow Fits: mercury engines 135 - 175 optimax/optimax Pro XS and the 150 - 200 HP efi engines. Should also fit the 75 - 115 HP engine Locks the outboard motor in forward position while trailering, greatly reducing the effects of road shock Does not "tie" engine's lower-unit to trailer, eliminating Excessive pressure on hydraulic seals and unsightly scuff marks Small compact mount can be easily stored in just about any boat compartment Fits: Mercury engines 135 Optimax, 150 Optimax, 175 Optimax, 75HP-200HP EFI