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4" Suspension System | Ford F150 4WD

4" Suspension System | Ford F150 4WD

4" Suspension System | Ford F150 4WD

  • *Approx Price: $1,950.07
  • Front (base kit): 4" Strut Spacer
  • Rear (base kit): 3" Block
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4" Suspension System | Ford F150 4WD

Kit Components

Accessories & Pricing


Qty Part# Description
1 013429 09-15 F150 4" REAR BLOCK KIT
1 023404 2014-15 F150 4in Spacer Box Kit
1 023634 2015 F150 Knuckle Box Kit - DS
1 023635 2015 F150 Knuckle Box Kit - PS
1 023642 2015 F150 Front Box Kit (1of2)
1 023643 2015 F150 Front Box Kit (2of2)
2 85828 NX² Shock Absorber
Qty Part# Description Price
    Total $1,950.07

Important Kit Notes

  • 1. Some late 2016 models are equipped with an Auto 4wd feature as indicated by a '4A' option on the transfer case shift selection knob. Those models must use the equivalent 2017-18 model lift system.
  • 2. 18" wheels with 5-5.5" total backspacing should be test fir prior to mounting tire to ensure proper clearance to BDS steering knuckle.
  • 3. 18" or larger diameter wheels required. Stock 17" & 18" wheels cannot be reinstalled. Stock 20" wheels can be used with up to a 305/60-20 tires.
  • 4. For a level to tail low appearance use #023416 with Kit#1502H or use #013429 with Kit#1503H. Block kits replace factory 1-1/4" block.
  • 5. Models with a 2-piece rear driveshaft may require carrier bearing drop shim kit #122405
  • 6. Models equipped with Auto 4wd may require front driveshaft replacement
  • 7. This kit is FMVSS No.126 Compliant
  • FMVSS No.126 compliant
  • The NHTSA's Federal Motor Vehicle Safety Standard (FMVSS) No.126 requires all new passenger vehicles to include Electronic Stability Control (ESC) systems that meet certain standards that can be tested through a comprehensive series of evasive maneuvers. Aftermarket products must meet these standards as well.

  • BDS Suspension is leading the industry by independently testing all suspension kits to verify our kits are fully compliant with the stability control system requirements set by Federal Motor Vehicle Safety Standard (FMVSS) No. 126.
  • 4" Suspension System | Ford F150 4WD

  • Front (base kit):

    4" Strut Spacer

  • Rear (base kit):

    3" Block

  • Kit Price

    $1,950.07

Base Kit Components 1507

These components are subject to change based upon your selections.

Qty Part# Description
(1) 013429 09-15 F150 4" REAR BLOCK KIT
(1) 023404 2014-15 F150 4in Spacer Box Kit
(1) 023634 2015 F150 Knuckle Box Kit - DS
(1) 023635 2015 F150 Knuckle Box Kit - PS
(1) 023642 2015 F150 Front Box Kit (1of2)
(1) 023643 2015 F150 Front Box Kit (2of2)
(2) 85828 NX² Shock Absorber

Compatible Vehicles

These vehicles also are compatible with this product.
Click on a vehicle to see other available kits.

Make Model Year Range
Ford F150 4WD 2015-2016

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Important Kit Notes

  • 1. Some late 2016 models are equipped with an Auto 4wd feature as indicated by a '4A' option on the transfer case shift selection knob. Those models must use the equivalent 2017-18 model lift system.
  • 2. 18" wheels with 5-5.5" total backspacing should be test fir prior to mounting tire to ensure proper clearance to BDS steering knuckle.
  • 3. 18" or larger diameter wheels required. Stock 17" & 18" wheels cannot be reinstalled. Stock 20" wheels can be used with up to a 305/60-20 tires.
  • 4. For a level to tail low appearance use #023416 with Kit#1502H or use #013429 with Kit#1503H. Block kits replace factory 1-1/4" block.
  • 5. Models with a 2-piece rear driveshaft may require carrier bearing drop shim kit #122405
  • 6. Models equipped with Auto 4wd may require front driveshaft replacement
  • 7. This kit is FMVSS No.126 Compliant
  • FMVSS No.126 compliant
  • The NHTSA's Federal Motor Vehicle Safety Standard (FMVSS) No.126 requires all new passenger vehicles to include Electronic Stability Control (ESC) systems that meet certain standards that can be tested through a comprehensive series of evasive maneuvers. Aftermarket products must meet these standards as well.

  • BDS Suspension is leading the industry by independently testing all suspension kits to verify our kits are fully compliant with the stability control system requirements set by Federal Motor Vehicle Safety Standard (FMVSS) No. 126.

Next: Rear Block Selection


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