Castle Nut Lights or non-functioning tach without changing

or non-functioning tach without changing the appearance of your helm

Installation typically requires careful alignment and a clean

it is REQUIRED to use anti-seize on the thread to prevent binding and seizing

Buckled towels stay put

Castle Nut Lights or non-functioning tach without changingThis marine grade brass castle nut is built for inboard prop shafts with a 1" to 1 1 8" diameter using 3 4" 10 thread pitch, a standard on many Malibu and Axis boats. Its castellated design allows a cotter pin to lock the nut in place, preventing vibration related loosening and securing your propeller to the shaft. Machined to precise standards and resistant to corrosion, this nut is essential for propeller retention in both salt and freshwater