Gorilla Automotive 1/2-20 Acorn Bulge Black Chrome Lug Nuts - 13/16 Hex - Set of 4

SKU: BBSX_91187BC
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About Gorilla Automotive Products Gorilla Automotive has been the American ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Gorilla Automotive Products

Gorilla Automotive has been the American leader in wheel locks and lug nuts since 1971. From the patented Tuner-key Wheel Lock to large-diameter open-end racing nuts, every Gorilla product is forged from chromoly steel and finished for lifetime corrosion resistance.

Stealth & Strength: Gorilla 1/2-20 Black Chrome Acorn Bulge Lug Nuts (4-Pack)

Transform the look of your wheels while ensuring maximum security with the Gorilla Automotive 1/2-20 Acorn Bulge Black Chrome Lug Nuts. This exclusive set of four combines Gorilla's legendary strength with a sophisticated black chrome finish, offering a unique aesthetic upgrade that stands out from standard chrome. Ideal for custom builds, dark-themed vehicles, or simply replacing existing lug nuts with a more aggressive style, these lug nuts provide both robust fastening and an undeniable visual impact.

Key Features & Benefits:

  • Distinctive Black Chrome Finish: A multi-layer black chrome plating delivers a deep, lustrous, and durable dark finish that resists chipping and corrosion.
  • High-Strength Steel Construction: Crafted from cold-forged steel, ensuring superior durability and the ability to withstand high torque specifications and road stresses.
  • Acorn Bulge Seat Design: Features a 60-degree conical seat for optimal contact and secure fastening with most aftermarket and OEM wheels.
  • Precision 1/2-20 Thread: Expertly machined threads guarantee a perfect, snug fit for vehicles requiring this specific pitch.
  • Closed End Protection: Shields wheel studs from environmental elements, preventing rust and debris accumulation for easier future removal.

Vehicle Fitment & Technical Specifications:

These Gorilla lug nuts are precisely engineered for vehicles and applications that require a 1/2-20 Right Hand Thread pitch. This includes many popular truck, SUV, and muscle car models, as well as various custom wheel setups. The convenient 13/16 inch hex head allows for easy installation and removal using standard tools, while the 60-degree conical (acorn bulge) seat ensures proper wheel alignment and a secure hold. This package, identified by MPN 91187BC, contains a practical set of 4 lug nuts, perfect for a single wheel or as stylish spares.

Why Choose Black Chrome from Gorilla?

Gorilla Automotive is a leader in high-performance wheel accessories, and their black chrome finish offers a premium alternative for those seeking a more aggressive or subtle aesthetic. Beyond the striking appearance, these lug nuts provide the same trusted durability and precision engineering that Gorilla is known for. Elevate your vehicle's style and security with these exceptional black chrome lug nuts. Discover the full range of premium automotive fasteners and styling options at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Gorilla Automotive Products

Gorilla Automotive has been the American leader in wheel locks and lug nuts since 1971. From the patented Tuner-key Wheel Lock to large-diameter open-end racing nuts, every Gorilla product is forged from chromoly steel and finished for lifetime corrosion resistance.

Stealth & Strength: Gorilla 1/2-20 Black Chrome Acorn Bulge Lug Nuts (4-Pack)

Transform the look of your wheels while ensuring maximum security with the Gorilla Automotive 1/2-20 Acorn Bulge Black Chrome Lug Nuts. This exclusive set of four combines Gorilla's legendary strength with a sophisticated black chrome finish, offering a unique aesthetic upgrade that stands out from standard chrome. Ideal for custom builds, dark-themed vehicles, or simply replacing existing lug nuts with a more aggressive style, these lug nuts provide both robust fastening and an undeniable visual impact.

Key Features & Benefits:

  • Distinctive Black Chrome Finish: A multi-layer black chrome plating delivers a deep, lustrous, and durable dark finish that resists chipping and corrosion.
  • High-Strength Steel Construction: Crafted from cold-forged steel, ensuring superior durability and the ability to withstand high torque specifications and road stresses.
  • Acorn Bulge Seat Design: Features a 60-degree conical seat for optimal contact and secure fastening with most aftermarket and OEM wheels.
  • Precision 1/2-20 Thread: Expertly machined threads guarantee a perfect, snug fit for vehicles requiring this specific pitch.
  • Closed End Protection: Shields wheel studs from environmental elements, preventing rust and debris accumulation for easier future removal.

Vehicle Fitment & Technical Specifications:

These Gorilla lug nuts are precisely engineered for vehicles and applications that require a 1/2-20 Right Hand Thread pitch. This includes many popular truck, SUV, and muscle car models, as well as various custom wheel setups. The convenient 13/16 inch hex head allows for easy installation and removal using standard tools, while the 60-degree conical (acorn bulge) seat ensures proper wheel alignment and a secure hold. This package, identified by MPN 91187BC, contains a practical set of 4 lug nuts, perfect for a single wheel or as stylish spares.

Why Choose Black Chrome from Gorilla?

Gorilla Automotive is a leader in high-performance wheel accessories, and their black chrome finish offers a premium alternative for those seeking a more aggressive or subtle aesthetic. Beyond the striking appearance, these lug nuts provide the same trusted durability and precision engineering that Gorilla is known for. Elevate your vehicle's style and security with these exceptional black chrome lug nuts. Discover the full range of premium automotive fasteners and styling options at GGCRACING.

Product Details

Product Description

About Gorilla Automotive Products

Gorilla Automotive has been the American leader in wheel locks and lug nuts since 1971. From the patented Tuner-key Wheel Lock to large-diameter open-end racing nuts, every Gorilla product is forged from chromoly steel and finished for lifetime corrosion resistance.

Stealth & Strength: Gorilla 1/2-20 Black Chrome Acorn Bulge Lug Nuts (4-Pack)

Transform the look of your wheels while ensuring maximum security with the Gorilla Automotive 1/2-20 Acorn Bulge Black Chrome Lug Nuts. This exclusive set of four combines Gorilla's legendary strength with a sophisticated black chrome finish, offering a unique aesthetic upgrade that stands out from standard chrome. Ideal for custom builds, dark-themed vehicles, or simply replacing existing lug nuts with a more aggressive style, these lug nuts provide both robust fastening and an undeniable visual impact.

Key Features & Benefits:

  • Distinctive Black Chrome Finish: A multi-layer black chrome plating delivers a deep, lustrous, and durable dark finish that resists chipping and corrosion.
  • High-Strength Steel Construction: Crafted from cold-forged steel, ensuring superior durability and the ability to withstand high torque specifications and road stresses.
  • Acorn Bulge Seat Design: Features a 60-degree conical seat for optimal contact and secure fastening with most aftermarket and OEM wheels.
  • Precision 1/2-20 Thread: Expertly machined threads guarantee a perfect, snug fit for vehicles requiring this specific pitch.
  • Closed End Protection: Shields wheel studs from environmental elements, preventing rust and debris accumulation for easier future removal.

Vehicle Fitment & Technical Specifications:

These Gorilla lug nuts are precisely engineered for vehicles and applications that require a 1/2-20 Right Hand Thread pitch. This includes many popular truck, SUV, and muscle car models, as well as various custom wheel setups. The convenient 13/16 inch hex head allows for easy installation and removal using standard tools, while the 60-degree conical (acorn bulge) seat ensures proper wheel alignment and a secure hold. This package, identified by MPN 91187BC, contains a practical set of 4 lug nuts, perfect for a single wheel or as stylish spares.

Why Choose Black Chrome from Gorilla?

Gorilla Automotive is a leader in high-performance wheel accessories, and their black chrome finish offers a premium alternative for those seeking a more aggressive or subtle aesthetic. Beyond the striking appearance, these lug nuts provide the same trusted durability and precision engineering that Gorilla is known for. Elevate your vehicle's style and security with these exceptional black chrome lug nuts. Discover the full range of premium automotive fasteners and styling options at GGCRACING.

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