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Rancho 2001-2013 GM SUV 2500 4" Lift # RS6551B


The Rancho RS6551B 4" suspension lift kit is designed to fit the 2001-2013 Chevrolet Avalanche 2500 4x4, Suburban 2500 4x4 and GMC Yukon XL 2500 4x4 sport utility vehicles built on the 3/4 ton 8-lug chassis. Please note, this lift will NOT fit on any 1/2 ton or 1500 series models! Rancho raises the front of the 4wd 2500 series GM SUVs and Avalanche 2500 a full 4 inches, allowing the use of 33" diameter tires. The rear is lifted using a lift block and add-a-leaf that when combined provide approximately 2.5" inches of rear lift. Keep reading below for more details...

SKU: RS6551B
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Availability: In stock

Regular Price: $2,099.95

Sale Price $1,699.95

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The RS6551B Rancho 4" Suspension Lift System is a relatively easy to install bolt-on kit that requires no welding. This lift is designed for use only on Chevrolet Avalanche 2500 4x4, Suburban 2500 4x4, GMC Yukon XL 2500 4x4 vehicles. Please note that this lift will only work on GM SUV's equipped with 8-lug wheels.

Kit Features:
Increases front vehicle height by 4 inches, levels rear
Front differential drop brackets correct pinion angle for minimized driveline vibration
Easy Installation (no upper control arm drop, no relay rod replacement
Bolt on System (no welding required)
No exhaust modifications necessary
Full alignment to O.E. Specs
Cast Knuckle
One piece MIG welded and reinforced subframe
Heavy gage high strength steel construction throughout
Extended sway bar end links (Front and Rear)
Urethane bushings throughout
Heavy duty fasteners and hardware

This kit does not include shock absorbers. Shocks are purchased separately from the drop down boxes located beneath this item description. Rancho now only offers this kit in Outlaw Black (RS6551B).

For additional information on this or any other Rancho Suspension product please click on the "Ask A Question" link located at the very top of this page.

Additional Info

Additional Info

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Manufacturer Rancho Suspension
Part Number RS6551B
Vehicle Make Chevrolet, GMC
Vehicle Model Avalanche, Suburban 2500, Yukon XL
Vehicle Year 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001
Drive Type 4-Wheel Drive
Made In the USA No
Installation Guide No
Current Rebates No


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