BUILD QUALITY - Wheel Spacers 6 Lug Silverado, When the vehicle is installed with car gaskets, it will generate a lot of heat and pressure when driving at high speed. In order to ensure the safety of every driver, we use 6061-T6 forged aluminum alloy material. (Generally used in aviation equipment) The bolts installed are of 10.9 grade, which can lock your tires firmly even in drifting and sharp turns.
INSTALLATION - 6x139.7 Wheel Spacers, We recommend using a torque wrench, Please use our complimentary High Strength Thread-locker when installing wheel spacers.14x1.5 bolts need 8 turns through 85-90 LBS. Retighten all lug nuts after driving 50 -100 miles, and then tighten again after driving 2000-3000 miles.