99-10 GM 2500HD/3500 4WD 8-LUG 6" LIFT KIT - RCD

***FINAL SALE, NO RETURNS***

Like the robust 2500 HD platform, the Chevrolet & GMC 8-Lug platform has been a cornerstone for over two decades. The classic GM IFS suspension technology has been proven time and again to provide exceptional handling characteristics and performance. RCD Suspension, with its industry leading sub-frame and spindle technology, has capitalized on this platform to produce a high quality product that exceeds even the most discerning customer needs. RCD Suspension continues to produce these systems for all 1988 through 2008 GM IFS truck and SUV models.

The RCD 6" Suspension System for the 1999-2011 Chevy/GMC 8-lug, 2500HD, 3500 (Single Rear Wheel), Avalanche, Yukon, Suburban, 2WD & 4WD includes: CNC machined replacement cast iron steering knuckles, T-6 billet aluminum axle spacers, zinc plated billet steel "Super-Flex" sway bar end links, replacement heavy duty lower link arms, rear coil spring, shock absorber relocation bracketry, Bisltein 5100 Series Shock Absorbers, and Standard Torsion Bar Suspension (Non Delphi Auto). Note: no drive shaft modifications are needed for installation

This kit is compatible with:

•   1999-2010 GMC K2500HD - 4WD
•   1999-2010 GMC K3500 - 4WD

  (Manufacturing date of 7/2000 or later)

This kit includes:

  -Front & rear crossmembers

  -Front spindle

  -Lateral compression strut kit

  -Main kit

  -Bilstein 5100 Series Shock Absorbers

Wheel/Tire Specifications:

  Max Tire Size: 33" x 12.5" w/ no modifications necessary. 35" & larger x 12.5" require minor fender and/or bumper trimming.

  Max Backspace: 16" x 8" - 4.5" backspacing. 17" & larger x 8" = 4.625" backspacing.

Additional Information:

   -Vehicles equipped with two piece rear drive shaft may require 20-68747 Drive Shaft Support Drop Down Bracket for the factory carrier bearing 

  -Recalibration of the speedometer, ABS and stability control systems (if applicable) will be required by an authorized GMC/Chevy Dealer
  -Must enlarge lower control arm sway bar end link mounting hole to 3/4”
  -Will not work on vehicles equipped with rear steering
  -Some models may require an exhaust modification to clear the front drive shaft
  -Will NOT work with Air Ride or Electronic Suspension Systems
  -Single rear wheel only / Non-dually