This product is for 1999 - 2006 and "Classic" 2007 Chevy Silverado 1500 / GMC Sierra 1500. It replaces your stock UBolts and provides enough clearance for your future suspension upgrades. Our extended UBolts are made of steel and zinc-plated to prevent rust, which helps reduce maintenance cost and increase safety and product longevity. The bolts are 12" from the top to bottom of the threads and designed to fit snug around a 2.5" leaf. These UBolts are designed to be used as replacements in your worn out suspensions or be a part of a lift kit. Their extra long threads allow them to be used in future 1" to 2" lift applications. They do NOT provide the lift but are required to clamp down your stock or aftermarket leaf springs.Fitment 1999-2006 Chevy Silverado 1500 / GMC Sierra 1500Specs Length - 12" Width - 2.5" Thread Length - 4" Thread Pitch - 9/16"Contents 4x 12" Steel & Zinc Plated Extra Long U BoltsNOTESAn alignment is always recommended if you are altering the height of your vehicle. The bolts can be trimmed to fit your desired lift. After the break in period (usually 500 miles) be sure to re-tighten and torque the U-Bolt if needed as a safety measure. All our kits are ensured with a LIFETIME WARRANTY.
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