QuadBoss Rear IRS Bushing Kit — Fits 2011-2014 Polaris Sportsman 400 HO

SKU: QBS414256
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Sale price$62.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About QuadBoss

QuadBoss is the ATV and UTV aftermarket leader — replacement axle shafts, drive belts, clutches, and tires for Polaris RZR, Can-Am Maverick, Yamaha YXZ, and Honda Talon. The trusted choice for serious side-by-side owners.

Watch in action

Restore Your Rear Suspension with QuadBoss Bushing Kits

Don't let worn-out bushings compromise your ride quality and handling. This QuadBoss Rear Independent Suspension (IRS) Bushing Kit is specifically designed to replace the worn components in your Polaris Sportsman 400 HO 2x4. Engineered for durability and a precise fit, this kit will help bring back the smooth operation and stability you expect from your ATV.

Key Features and Benefits:

  • Direct Replacement: Designed as a direct fit for the rear IRS on select Polaris Sportsman models.
  • Durable Construction: Made with high-quality materials to withstand the rigors of off-road riding.
  • Restores Handling: Helps eliminate play and looseness in the suspension for improved control.
  • Complete Kit: Includes all necessary bushings for a comprehensive rear suspension repair.
  • Model Specific Fitment: Ensures proper installation and performance for your specific ATV.

Vehicle Fitment:

This QuadBoss Bushing Kit is compatible with the following Polaris models:

  • Polaris Sportsman 400 HO Base: 2011-2014
  • Polaris Sportsman 450 Base: 2006-2007
  • Polaris Sportsman 450 HO Base: 2017-2020
  • Polaris Sportsman 500 EFI Base: 2006-2009
  • Polaris Sportsman 500 HO Base: 2002-2006, 2008-2010
  • Polaris Sportsman 570 6x6 Base: 2019-2020
  • Polaris Sportsman 570 EPS Base: 2014-2015
  • Polaris Sportsman 570 Touring SP Base: 2015-2019
  • Polaris Sportsman 700 EFI Base: 2005-2007
  • Polaris Sportsman 800 EFI Base: 2005-2014
  • Polaris Sportsman Forest 500 Base: 2011-2013
  • Polaris Sportsman Forest 570 Base: 2014

Upgrade your ATV's suspension with reliable parts from QuadBoss, available at GGCRACING.COM.

Vehicle Fitment

Years Make Model Trim
2011-2014 Polaris Sportsman 400 HO Base
2006-2007 Polaris Sportsman 450 Base
2017-2020 Polaris Sportsman 450 HO Base
2006-2009 Polaris Sportsman 500 EFI Base
2002-2006 Polaris Sportsman 500 HO Base
2008-2010 Polaris Sportsman 500 HO Base
2014-2015 Polaris Sportsman 570 EPS Base
2015-2019 Polaris Sportsman 570 Touring SP Base
2005-2007 Polaris Sportsman 700 EFI Base
2005-2014 Polaris Sportsman 800 EFI Base
2011-2013 Polaris Sportsman Forest 500 Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About QuadBoss

QuadBoss is the ATV and UTV aftermarket leader — replacement axle shafts, drive belts, clutches, and tires for Polaris RZR, Can-Am Maverick, Yamaha YXZ, and Honda Talon. The trusted choice for serious side-by-side owners.

Watch in action

Restore Your Rear Suspension with QuadBoss Bushing Kits

Don't let worn-out bushings compromise your ride quality and handling. This QuadBoss Rear Independent Suspension (IRS) Bushing Kit is specifically designed to replace the worn components in your Polaris Sportsman 400 HO 2x4. Engineered for durability and a precise fit, this kit will help bring back the smooth operation and stability you expect from your ATV.

Key Features and Benefits:

  • Direct Replacement: Designed as a direct fit for the rear IRS on select Polaris Sportsman models.
  • Durable Construction: Made with high-quality materials to withstand the rigors of off-road riding.
  • Restores Handling: Helps eliminate play and looseness in the suspension for improved control.
  • Complete Kit: Includes all necessary bushings for a comprehensive rear suspension repair.
  • Model Specific Fitment: Ensures proper installation and performance for your specific ATV.

Vehicle Fitment:

This QuadBoss Bushing Kit is compatible with the following Polaris models:

  • Polaris Sportsman 400 HO Base: 2011-2014
  • Polaris Sportsman 450 Base: 2006-2007
  • Polaris Sportsman 450 HO Base: 2017-2020
  • Polaris Sportsman 500 EFI Base: 2006-2009
  • Polaris Sportsman 500 HO Base: 2002-2006, 2008-2010
  • Polaris Sportsman 570 6x6 Base: 2019-2020
  • Polaris Sportsman 570 EPS Base: 2014-2015
  • Polaris Sportsman 570 Touring SP Base: 2015-2019
  • Polaris Sportsman 700 EFI Base: 2005-2007
  • Polaris Sportsman 800 EFI Base: 2005-2014
  • Polaris Sportsman Forest 500 Base: 2011-2013
  • Polaris Sportsman Forest 570 Base: 2014

Upgrade your ATV's suspension with reliable parts from QuadBoss, available at GGCRACING.COM.

Vehicle Fitment

Years Make Model Trim
2011-2014 Polaris Sportsman 400 HO Base
2006-2007 Polaris Sportsman 450 Base
2017-2020 Polaris Sportsman 450 HO Base
2006-2009 Polaris Sportsman 500 EFI Base
2002-2006 Polaris Sportsman 500 HO Base
2008-2010 Polaris Sportsman 500 HO Base
2014-2015 Polaris Sportsman 570 EPS Base
2015-2019 Polaris Sportsman 570 Touring SP Base
2005-2007 Polaris Sportsman 700 EFI Base
2005-2014 Polaris Sportsman 800 EFI Base
2011-2013 Polaris Sportsman Forest 500 Base

Product Details

Product Description

About QuadBoss

QuadBoss is the ATV and UTV aftermarket leader — replacement axle shafts, drive belts, clutches, and tires for Polaris RZR, Can-Am Maverick, Yamaha YXZ, and Honda Talon. The trusted choice for serious side-by-side owners.

Watch in action

Restore Your Rear Suspension with QuadBoss Bushing Kits

Don't let worn-out bushings compromise your ride quality and handling. This QuadBoss Rear Independent Suspension (IRS) Bushing Kit is specifically designed to replace the worn components in your Polaris Sportsman 400 HO 2x4. Engineered for durability and a precise fit, this kit will help bring back the smooth operation and stability you expect from your ATV.

Key Features and Benefits:

  • Direct Replacement: Designed as a direct fit for the rear IRS on select Polaris Sportsman models.
  • Durable Construction: Made with high-quality materials to withstand the rigors of off-road riding.
  • Restores Handling: Helps eliminate play and looseness in the suspension for improved control.
  • Complete Kit: Includes all necessary bushings for a comprehensive rear suspension repair.
  • Model Specific Fitment: Ensures proper installation and performance for your specific ATV.

Vehicle Fitment:

This QuadBoss Bushing Kit is compatible with the following Polaris models:

  • Polaris Sportsman 400 HO Base: 2011-2014
  • Polaris Sportsman 450 Base: 2006-2007
  • Polaris Sportsman 450 HO Base: 2017-2020
  • Polaris Sportsman 500 EFI Base: 2006-2009
  • Polaris Sportsman 500 HO Base: 2002-2006, 2008-2010
  • Polaris Sportsman 570 6x6 Base: 2019-2020
  • Polaris Sportsman 570 EPS Base: 2014-2015
  • Polaris Sportsman 570 Touring SP Base: 2015-2019
  • Polaris Sportsman 700 EFI Base: 2005-2007
  • Polaris Sportsman 800 EFI Base: 2005-2014
  • Polaris Sportsman Forest 500 Base: 2011-2013
  • Polaris Sportsman Forest 570 Base: 2014

Upgrade your ATV's suspension with reliable parts from QuadBoss, available at GGCRACING.COM.

Vehicle Fitment

Years Make Model Trim
2011-2014 Polaris Sportsman 400 HO Base
2006-2007 Polaris Sportsman 450 Base
2017-2020 Polaris Sportsman 450 HO Base
2006-2009 Polaris Sportsman 500 EFI Base
2002-2006 Polaris Sportsman 500 HO Base
2008-2010 Polaris Sportsman 500 HO Base
2014-2015 Polaris Sportsman 570 EPS Base
2015-2019 Polaris Sportsman 570 Touring SP Base
2005-2007 Polaris Sportsman 700 EFI Base
2005-2014 Polaris Sportsman 800 EFI Base
2011-2013 Polaris Sportsman Forest 500 Base

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