nut
Spindle nut kit for Speedway 49-54 Chevy style passenger car spindles.
Castle Nut: 3/4"-20 (not SAE)
Overall Height: 0.505"
Height up to the bottom of the castellated notch: 0.276"
Wrench size for nut: 1.00"
These dimensions are approximate. Certain brake kits may require removal of some of the nut material to allow for installation of the cotter pin.