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Gorilla Automotive 66198XL Duplex Acorn Bulge Extra Long Lug Nut 9/16-18 Chrome

Manufacturer

Picture for manufacturer Gorilla Automotive

Part Number

66198XL
12 reviews
Sale Price

$5.50

In Stock (10+)

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Usually delivered within 2 days

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Show details for Gorilla Automotive 66198XL Duplex Acorn Bulge Extra Long Lug Nut 9/16-18 Chrome
Picture of Gorilla Automotive 66198XL Duplex Acorn Bulge Extra Long Lug Nut 9/16-18 Chrome

Wheels and Tires sold separately

Product Details

The Gorilla Automotive 66198XL is a premium extra-long duplex acorn bulge lug nut designed for vehicles with extended wheel studs. This single lug nut features triple nickel chrome plating for superior corrosion resistance and a brilliant finish that complements any wheel style.

Key Specifications:

  • Thread Size: 9/16 inch-18 RH (right-hand thread)
  • Hex Size: 7/8 inch (22mm) - requires 7/8" socket
  • Overall Length: 2.30 to 2.40 inches (extra-long design)
  • Seat Style: 60-degree conical duplex acorn bulge seat
  • Material: Heat-treated steel for enhanced strength and durability
  • Finish: Triple nickel chrome plated
  • Construction: Closed-end design for maximum stud protection

Features and Benefits:

  • Extra-long design accommodates extended wheel studs commonly found on heavy-duty axles and aftermarket wheel applications
  • Duplex acorn bulge seat provides secure wheel mounting on vehicles with 60-degree tapered lug seat holes
  • Heat-treated steel construction ensures reliable clamping force and long-term durability
  • Triple nickel chrome plating offers excellent corrosion resistance and passes 240-hour salt spray testing
  • Closed-end design protects wheel studs from road debris, moisture, and corrosion
  • Precision 6-point hex design prevents rounding during installation and removal

This lug nut is sold individually and is ideal for replacement applications or custom wheel installations requiring extra-long lug nuts. Gorilla Automotive has been manufacturing quality wheel fasteners since 1976, setting the industry standard for performance and reliability.

Products specifications

Hex

7/8in

Size

9/16in XL

Great

so far so good, we'll see how long it takes to get hear and how well it fits

Very thoroughly happy with the online shopping experience for the part I needed, and with receiving it soon after!

Very easy

Product arrived as expected. Bed Liner was a perfect fit for my 2018 Canyon. Delivery was on time and professional with a half hour courtesy call before arrival. Would order again from Autoplicity.

Ordering was very easy, and the part shipped right away. Will use autoplicity again without a doubt.

Above Average

I hope it fits properly

Great price on my item. Order placed and shipped from manufacturer very quickly. Anxiously awaiting delivery.

First time buyer. Ordered Sunday. Shipped out Monday. Fast Shipping. Good prices.

Cheapest prices. Fast shipping. I'll definitely be ordering from autoplicity again.

This was my first order from Autoplicity, and I was not sure what to expect. The parts were shipped quickly, and Autoplicity had the best price by far.

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