Base Kit

This Box Kit includes the following products:

  • Driver & Passenger Side Torsion Bar Bracket
  • Front Track Bar Bracket Spacer
  • Rear Track Bar Bracket Spacer (Grooved)
  • Torsion Bolt Retaining Bracket
  • Bolt Pack - Torsion Bar Brackets


6.5" Box Kit


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Front Box Kit (1 of 2)

5-6.5" Front Box Kit

This Box Kit includes the following products:

  • Front Cross Member
  • Cross Member Brace
  • Driver & Passenger Side Front Brake Line
  • Brake Line Clip
  • Brake Line Crush Washer
  • .750 x .134 x 1.650 DOM Sleeve
  • 0.750 x 0.134 x 1.255 Sleeve
  • Offset Polyurethane Spacer
  • Front Sway Bar Links
  • Bolt Pack
  • Bolt Pack - Front Brake Lines

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Front Box Kit (2 of 2)


5-6.5" Front Box Kit

This Box Kit includes the following products:

  • Rear Cross Member
  • Driver, Passenger & Center Differential Bracket
  • Thread locker
  • Sleeve - Center Differential Bracket
  • Bushing - Center Differential Bracket
  • Cable Ties
  • Bolt Pack - Lower Control Arms
  • Bolt Pack - Differential Drop

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Knuckle Box Kit (1 of 2)


Driver's Side 6.5" Knuckle Box Kit


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Knuckle Box Kit (2 of 2)


Passenger Side 6.5" Knuckle Box Kit


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Skid Plate Box Kit


6.5" Skid Plate Box Kit


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Rear Lift Option

This Box Kit includes the following products:

  • Cable Ties
  • 8 3/4"-10 Serrated Flange Nuts
  • Bolt Pack - Rear Brackets
  • Driver & Passenger Side Rear Blocks
  • 4 3/4 x 3-1/4 x 15-1/2 Square U-Bolt Black (Non-Overload Only)
  • 4 3/4 x 3-1/4 x 15-1/2 Square U-Bolt Black (Overload Only)

5" Rear Lift Block w/o Overloads

5" lift blocks and u-bolts designed for trucks NOT factory equipped with a separate overload leaf in the rear spring pack

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5" Rear Lift Blocks w/ Overloads

5" lift blocks and u-bolts designed for trucks factory equipped with a separate overload leaf in the rear spring pack. (Includes DRW)

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Front Shocks


2011-2017 Duramax 3-5" Lift Front NX2 Shock Absorber (BDS85621)-Shocks-BDS-BDS85621-Dirty Diesel Customs

Front NX2 Series Shocks (2x)

The BDS NX2 series gas shocks offer impressive performance on and off-road. Standard in most BDS lift kits, these nitrogen-charged, twin-tube shocks offer 10-stage velocity-sensitive valving for lightning-fast damper performance and control.

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