KSP Fits GMC/ChevyWheel Spacers give Sierra Silverado 1500 a more aggressive appearance. When you install KSP Performance' （1.5 inch ）Pro Billet Wheel Spacers, you can increase tire clearance to keep tires from crashing into frame rails and suspension links at full turn if your vehicle lifted or larger tires changed.
Bolt Pattern:6x5.5"/ 6*139.7mm
Thickness: 2 inches (50mm)
Thread Pitch: 14x1.5mm
Give your vehicle a more aggressive appearance
Improve the handling, stability and performance
Increase tire clearance to keep tires from crashing into frame rails
and suspension links at full turn when vehicle lifted or larger tires changed.
6061 T6 Aircraft Aluminum Spacers are more heavy duty and durable than casting
CNC precision machining and professional dimensions to ensure the best fitting
ISO/DIN 10.9-12.9 grade bolts/Studs ,SCM435 steel material heat treated to avoidbreaking
Including：4 pcs Wheel spacers with 24 pcs open ended nuts and hardware.
Don’t use impact wrench
Highly recommend Thread-Locking
Professional installation is highly recommended
Do the wheel balance before install the wheels
Clean rust or dirt before installation
Re-torque all lug nuts after 50-100 miles of driving ,then again after 2000-3000 miles