5/8-18 LH Alum BLK Jam Nut

5/8"-18 Black Aluminum Jam Nut with a Left Hand Thread. Anodized black for a great look and more durable surface. These lightweight yet strong jam nuts are the most commonly used Jam Nut on the Sprint Car suspension. With tens of thousands sold, you know you are getting a race proven jam nut that will hold up to tough racing conditions.