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Free delivery everywhere in Canada * With any purchase of $175 or more before tax *
Free delivery everywhere in Canada * With any purchase of $175 or more before tax *

BW WDHK4501 - Continuum Weight Distribution Underslung Coupler Kit 16K, 2", 2-5/16" Ball

by BW
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Eliminate sway and ensure a level, stable ride with this weight distribution hitch with sway control. Easy-to-install system lets you load the spring bars by pumping the handle until the desired weight is set.


  • Weight distribution system evenly distributes weight over axles of tow vehicle and trailer for improved stability and control
  • Creates a more level ride for both tow vehicle and trailer
  • Sway control keeps your trailer in line behind your vehicle
  • Sway prevention is immediate and continuous
  • Limits side-to-side movement of trailer caused by strong winds, sudden maneuvers, and curvy roads
  • Fast and easy setup
  • Setup is all done on the driver's side
  • Load the bars by pumping the handle until desired weight is transferred to the front axle
  • Unload the bars by simply twisting the needle valve knob
  • Pressure gauge ensures a repeatable setup
  • Single pivot point eliminates noise and wear
  • Preset head angle works for almost every setup
  • Tapered, composite spring bars are lighter-weight than typical spring bars
  • Composite is 5x more flexible than steel, with similar strength
  • Bolt-on installation
  • Made in the USA


  • Tongue weight: 600 lbs - 1,600 lbs
  • Application: 2" x 2" trailer hitch receivers rated for use with weight distribution systems
  • Ball size: 2-5/16"
  • Limited lifetime warranty

Installation kit

An installation kit is needed for proper installation on your vehicle


Manufacturer Part #:WDHK4501