JayCee's new Broached Pulley Nut with 6061 Billet Hat & Heavy Duty Washer.
Nut comes broached for a 3/8" ratchet to make installation or removal a breeze. The head has a reverse thread that the hat screws on. While your engine is running the, the hat will not spin off. The hat also has a 5/32" Allen broach in the center to make installation or removal also a snap!
O-ring seal eliminates vibration & scratching of your pulley. The broached Pulley Nut comes with a Black Oxide finish while the hats are available in blue, black, and silver.