Gorilla Automotive 91128BC Acorn Bulge Lug Nut 12mm x 1.25 Thread 13/16" Hex Black

The Gorilla Automotive 91128BC acorn bulge lug nuts are precision-engineered wheel fasteners designed specifically for original equipment aluminum wheels. These lug nuts feature a 12mm x 1.25 thread pitch, 13/16" hex size, and a distinctive acorn bulge seat design that provides proper contact with factory aluminum wheel mounting surfaces.

Key Features:

• 12mm x 1.25 thread pitch for accurate fitment on compatible vehicles
• 13/16" (21mm) hex size for standard lug wrench compatibility
• Acorn bulge seat design matches OEM aluminum wheel specifications
• Heat treated construction improves finish durability and corrosion resistance
• Black finish provides a sleek, uniform appearance
• Sold in bulk packaging for cost-effective replacement

Important Fitment Information: These lug nuts are engineered for original equipment factory aluminum wheels and may not be compatible with aftermarket wheels or factory steel wheels. Always verify your current lug nut specifications including thread size, hex size, and seat type before ordering to ensure proper fitment and safe installation.