Base Kit

2014-2017 Cummins 4" Front Coil Springs (Pair) (BDS032401)-Coil Springs-BDS-BDS032401-Dirty Diesel Customs

4" Front Coil Springs

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Front Box Kit

4" 4-Link Box Kit

This Box Kit includes the following products:

  • Pitman Arm
  • Trackbar bracket
  • Fish Wire
  • 1/2" Bolt Tab
  • 1/4” Spacer
  • 2 4-6" brake line relocation bracket
  • 2 5/16"-18 x 1" Type 23 self threading bolt
  • 2 weld-in bung
  • 2 long machined spacer sleeve
  • Driver & Passenger Side Radius Arm Drop Bracket
  • 2 1/2" Rivet nuts
  • 2 Spacer Sleeves
  • 2 Cable Ties
  • Loctite
  • 2 Bump Stops
  • Rivet nut installation bolt pack
  • Bolt Pack - Trackbar Bracket
  • Bolt Pack - Rad Arm Drop Brackets

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Rear Lift Option

3" Rear Box - 4" Axle

This system comes standard with a 3" rear block kit that will typically produce a slightly tail-high stance.

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2" Rear Block

Choose this 2" rear block kit option if you would prefer a level to slightly low rear stance.

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Front Shocks


  • For NX2 single shocks all around, select Qty:4
  • For NX2 Dual front & single rear, select Qty: 6 
2013-2017 Cummins 4-6" Lift Front NX2 Shock Absorber (BDS85752)-Shocks-BDS-BDS85752-Dirty Diesel Customs

NX2 Series Single | Dual Shocks

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.

The full hoop design works with the factory axle shock mount and locates the dual shocks to the backside of the coil spring, mimicking the factory shock location. The hoop itself is made from 1.75" x 0.188" wall DOM tubing with a reinforced mounting tab that locates off the factory upper shock mount. 2 additional mount points at the frame make for a strong design that looks great. There is a stainless steel "BDS" riveted to the shock hoop that matches the BDS dual stab kit and 4-link bracket nameplates.

Minor welding is required to add a support gusset to the factory axle shock mount and to add the provided steering stops if the tire/wheel combo installed gets too close to the shocks.

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2013-2017 Cummins 4-6" Lift Front Fox 2.0 Series Shock Absorber (FOX98224752)-Shocks-BDS-FOX98224752-Dirty Diesel Customs

Fox 2.0 Series Shocks (2x)

Improve ride quality and capability with the FOX 2.0 performance series IFP shocks. Specially designed for BDS lift systems, these FOX 2.0 aluminum body shocks offer improved cooling capacity and corrosion protection. These shocks use race-proven vehicle-specific valving along with an internal floating piston (IFP) monotube design to separate the shock oil from high-pressure nitrogen to eliminate aeration and maximize performance on/off-road.

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Rear Shocks


  • For Fox 2.0 Single Rear select: Qty: 2
  • For Fox 2.0 Dual Front select: Qty: 4
  • For Fox 2.0 Dual Front & Single Rear select: Qty: 6

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