6IN GM SUSPENSION LIFT KIT (88-00 K2500/3500 PU 4WD)


6IN GM SUSPENSION LIFT KIT (88-00 K2500/3500 PU 4WD)

Take your truck to the next level Rough Country’s 6in Lift Kit for 88-98 GM 2500 Pickups. This all-inclusive kit comes with everything you need for a total transformation of your rig. A set of durable front and rear crossmembers offer enough increased ground clearance to run up to 35×12.50 tires! This kit features a torsion bar drop bracket, control arm brackets, and differential brackets to keep everything at the optimum geometry to replicate a factory-like ride and feel.

Each kit includes Rough Country’s N3 Shock Absorbers for a balanced performance of smooth highway ride quality and off-road performance. This high-quality kit features solid steel components powdercoated black to resist the elements and with laser-cut “RC” logos for killer, good looks.

Includes a Lifetime Replacement Guarantee!


  • Retains stock track width
  • Increased ground clearance
  • Fabricated blocks are stronger and offer a longer lifespan than cast.
  • Torsion bar drop brackets and front skid plate feature RC laser cut logos.
  • Includes application valved N3 shocks


  • Does NOT fit 99-00 regular or extended cab models
  • Only fits models with 8-Lug wheels.
  • Does not fit models with auto-trac
  • Requires minor cutting and grinding
  • Requires rerouting of the exhaust for front drive shaft clearance.
  • Does not fit straight front axle models.
  • Does not fit dually models
Est. Install Time6 – 8 hours
Recommended Wheel Backspacing4.5″ – 5″


1988-20004WDChevyC2500/K2500 Pickup
1992-19994WDChevyC2500/K2500 Suburban
1988-20004WDChevyC3500/K3500 Pickup
ALWAYS read all product page details for more important fitment information


315/75 R16Factory 16
315/75 R1616×8
315/70 R1717×9-12 to 0mm
315/65 R1818×9-12 to 0mm
315/55 R2020×9-12 to 0mm
 Due to differences in manufacturing, dimension and inflated measurements, tire and wheel combinations should be test fit prior to installation