Mercury Racing Propeller Double Nut Kit Part# (11-8M0179579)
$75.95
Skip to product information
Mercury Racing Propeller Double Nut Kit Part# (11-8M0179579)
$75.95
Secure high-horsepower propellers and surface-piercing drives under extreme stress with the genuine Mercury Racing Propeller Double Nut Kit (11-8M0179579 / 8M0179579). Specially designed for 1.25" and 1.50" heavy-duty prop shafts, this upgraded double-nut locking system replaces single-nut hubs to eliminate prop-rocking, spline wear, and accidental fastener backing.