Superlift K309 Silverado, Sierra 2500HD, 3500 lift kit

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2001-08 4WD Chevy Silverado, GMC Sierra 2500HD, 3500 6"-7.5" bracket lift kit, Superide shocks

Product No: K309 SL

Availability: In stock

FREE SHIPPING Lower 48 States

Important Notes

Fits 1999 New Body style. 1997 and newer models with Autotrac require Dual Cardan driveshaft. With single exhaust, a new, reformed section of exhaust crossover pipe is required to clear front driveshaft. 2007 models require part 15252696 & 15150104 to be purchased from the dealership in order to install front driveshaft.

Quick Overview

The Superlift Bracket Version lift kit for the Chevy Silverado, GMC Sierra 2500HD, 3500 retains the factory ride quality, steering geometry, CV axle angles and does not change the front track width. The variable front lift range is determined by adjustment of the torsion bars. Full-width control arm crossmembers provide lateral rigidity. Centerlink stabilizing link makes steering more responsive & extends the life of the pitman and idler arms.

  • Retains factory ride quality, steering geometry and CV axle angles
  • Front track width not increased
  • Front lift height adjustable range of 6" to 7.5"
  • Full-width differential / control arm crossmembers provide lateral rigidity
  • Cross-member kicker braces add strength front-to-rear Load bearing bracketry made of .25" thick plate steel or DOM tubing
  • Front differential housing does not require trimming
  • Centerlink stabilizing link makes steering more responsive 
  • 5" rear block kit
  • 4 Superlift Superide shocks included
  • Lifetime Warranty and Satisfaction Guarantee

6" allows 35x12.50 with standard back spacing
7.5" allows 37x12.50 with standard back spacing

** Shock boots sold separately.

View kit installation instructions

Required and/or Related Items

    • Make: Chevrolet, GMC
    • Model: 2500HD
    • Vehicle: 2001-08 Silverado, Sierra 2500HD 6"-7.5" bracket lift kit, Superide shocks
    • 2or4: 4WD
    • Upsell: 3305 SL, 3287 SL, 92040 SL


Superlift lift kit fits the following models:
2000 Silverado, Sierra 3500
2001 Silverado, Sierra 2500HD, 3500
2002 Silverado, Sierra 2500HD, 3500
2003 Silverado, Sierra 2500HD, 3500
2004 Silverado, Sierra 2500HD, 3500
2005 Silverado, Sierra 2500HD, 3500
2006 Silverado, Sierra 2500HD, 3500
2007 Silverado, Sierra 2500HD, 3500
2008 Silverado, Sierra 2500HD, 3500

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