Rancho Part Number RS6551B. The Rancho RS6551B 4" suspension lift kit is designed to fit the 2001-2006 Chevrolet Suburban 2500 and GMC Yukon XL 2500 sport utility vehicles built on the 3/4 ton 8-lug chassis. Please note, this lift will NOT fit on any 1/2 ton 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 block kit and add-a-leaf that when combined provide approximately 2.5" inches of rear lift and is designed to level the Suburban 2500 and Yukon XL 2500. The RS6551B Rancho 4" suspension lift kit is a relatively easy to install bolt-on kit that requires no welding!
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
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). The RS6551 in Rancho Red is not currently available.
For additional information please click on the "ask a question" link located at the very top of this page.
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