Gorilla Automotive Bulge XL Chrome Lug Nut, 13/16-Inch Hex, 9/16-Inch Thread

The Gorilla Automotive Bulge XL Lug Nut is a durable replacement wheel fastener designed for applications using a 9/16-inch wheel stud thread and a 13/16-inch hex drive. Its chrome finish provides a clean, polished appearance while helping protect the lug nut surface from everyday exposure. The extended bulge-style seat is designed to provide a broader contact area on compatible wheels, supporting secure and consistent wheel installation.

Built for dependable service, this Gorilla Automotive lug nut is suitable for replacement and maintenance applications where correct thread size, hex size, and seat design are required. The Bulge XL profile should be matched to the wheel manufacturer’s specifications before installation. Use a calibrated torque wrench and follow the vehicle or wheel manufacturer’s recommended torque procedure to help ensure proper clamping force.

Key Product Specifications and Technical Data

• Brand: Gorilla Automotive
• Part Number: 91198XL
• Lug Nut Style: Bulge XL
• Thread Size: 9/16-inch
• Hex Size: 13/16-inch
• Finish: Chrome
• Application Type: Replacement wheel lug nut
• Installation: Requires proper torque and compatible wheel seat

What’s Included

• Gorilla Automotive Bulge XL chrome lug nut

Fitment data should be verified against the vehicle, wheel, and wheel-stud specifications before purchase. Compatibility depends on thread size, seat style, hex size, and available wheel clearance. This product is supplied as a bulk lug nut item; confirm the required quantity for the complete vehicle installation.

Features:

• Bulge XL seat profile helps provide broad contact on compatible wheels
• 9/16-inch thread size supports specified wheel-stud applications
• 13/16-inch hex drive allows use with the correctly sized lug wrench or socket
• Chrome finish provides a polished appearance and added surface protection