These black bulge acorn lug nuts are built for heavy-duty trucks running aftermarket wheels the bulged shank clears thicker aftermarket lug seats that a standard acorn nut can't reach.
Fits Vehicles With M14x1.5 Threads:
Chevrolet Avalanche 2500, C2500, K2500, K3500, Suburban, Silverado 1500 HD, Silverado 2500, Silverado 3500
Ford Excursion, F-250, F-350 Super Duty
GMC C2500, C3500, K2500, K3500, Suburban, Sierra 1500 HD, Sierra 2500, Sierra 3500, Yukon 2500
Ram 2500, 3500
For aftermarket and replica wheels only. Not designed for factory OEM wheels.
Not sure about your thread size? Check your vehicle's fitment and lug nut thread at our Wheel Fitment Calculator. Cold-forged carbon steel, tested through 72 hours of salt spray.