Alcoa Heavy Duty Wheel Cap Nuts


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The Alcoa 139987 Alcoa Two-Piece Flange Nuts works with the 001901 Lug nut cover and is designed for the Ford and Dodge 9/16" Studs.
Vendor: Alcoa
Part#: 5996R

Free Ground Delivery

We strive to get all orders out same day, if ordered before 2:00pm EST. We offer Free Shipping on all items, and ship most items on FedEx Ground. With multiple warehouses across the country most items are a 2 day transit time.

Bulk Orders

On orders of 12 wheels or more, customers must have a commercial address for bulk discount, or be willing to pick up pallet at local terminal.

Express Orders

On FedEx Express orders, Orders must be in by 1:00pm EST to give express delivery driver the 4 Hour window they require. Prices for express are displayed at checkout.

International Orders

We are happy to ship to our international customers. Just follow the checkout process and shipping fees will display at checkout with no obligation to purchase.


If you have any questions don't hesitate to call or text 800-830-4547

1 1/8" x 16 cap nut - mounts standard single wheels and wide base wheels to 1 1/8" studs and provides additional 1/8" hex height. Also mounts outer dualed wheel to 1 1/8" inner cap nut. *