QuadBoss Rear IRS Knuckle Kit for Polaris ACE 325 2014-2016

SKU: QBS420768
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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.

Restore Your Polaris ACE 325 Rear Suspension with a QuadBoss IRS Knuckle Kit

Keep your Polaris ACE 325 performing at its best with this high-quality QuadBoss Independent Rear Suspension (IRS) Knuckle Kit. Designed as a direct replacement, this kit addresses wear and tear in your rear suspension, ensuring optimal handling, stability, and a smoother ride across challenging terrains.

Built for Tough Conditions

This knuckle kit utilizes self-lubricating acetal nylon bushings, providing exceptional wear resistance and smooth articulation for your suspension components. The metal bushings are case-hardened and plated to resist corrosion and abrasion, guaranteeing durability and long-lasting performance even when subjected to the rigors of off-road riding.

Vehicle Fitment

  • Make: Polaris
  • Model: ACE 325, ACE 570, ACE 900 SP, ACE 900 XC, Ranger 570, Ranger 570 Crew, Ranger 570 Full-Size, Ranger 900 Crew, Ranger 900 XP, Ranger Diesel, Ranger ETX, Ranger Crew XP 1000 EPS, Ranger XP 1000, Ranger XP 1000 EPS
  • Years: 2014-2019 (Specific fitments vary by model, see full list)

Key Features & Benefits

  • Direct replacement for the rear independent suspension knuckle.
  • Features durable acetal nylon bushings for reduced friction.
  • Case-hardened and plated metal bushings for enhanced longevity.
  • Restores proper wheel alignment and suspension function.
  • Improves ride comfort and vehicle control.

Ensure your Polaris ACE 325 is equipped for any trail. Trust in the quality and reliability of QuadBoss parts. Order your IRS Knuckle Kit from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2017-2019 Polaris ACE 500 Base
2016-2017 Polaris ACE 570 Base
2016 Polaris ACE 900 SP Base
2017-2019 Polaris ACE 900 XC Base
2015-2020 Polaris Ranger 570 Base
2014-2015 Polaris Ranger 570 Crew Base
2015-2020 Polaris Ranger 570 Full-Size Base
2017 Polaris Ranger Crew XP 1000 EPS Base
2017 Polaris Ranger XP 1000 Base
2017 Polaris Ranger XP 1000 EPS Base
2018-2019 Polaris Ranger XP 900 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.

Restore Your Polaris ACE 325 Rear Suspension with a QuadBoss IRS Knuckle Kit

Keep your Polaris ACE 325 performing at its best with this high-quality QuadBoss Independent Rear Suspension (IRS) Knuckle Kit. Designed as a direct replacement, this kit addresses wear and tear in your rear suspension, ensuring optimal handling, stability, and a smoother ride across challenging terrains.

Built for Tough Conditions

This knuckle kit utilizes self-lubricating acetal nylon bushings, providing exceptional wear resistance and smooth articulation for your suspension components. The metal bushings are case-hardened and plated to resist corrosion and abrasion, guaranteeing durability and long-lasting performance even when subjected to the rigors of off-road riding.

Vehicle Fitment

  • Make: Polaris
  • Model: ACE 325, ACE 570, ACE 900 SP, ACE 900 XC, Ranger 570, Ranger 570 Crew, Ranger 570 Full-Size, Ranger 900 Crew, Ranger 900 XP, Ranger Diesel, Ranger ETX, Ranger Crew XP 1000 EPS, Ranger XP 1000, Ranger XP 1000 EPS
  • Years: 2014-2019 (Specific fitments vary by model, see full list)

Key Features & Benefits

  • Direct replacement for the rear independent suspension knuckle.
  • Features durable acetal nylon bushings for reduced friction.
  • Case-hardened and plated metal bushings for enhanced longevity.
  • Restores proper wheel alignment and suspension function.
  • Improves ride comfort and vehicle control.

Ensure your Polaris ACE 325 is equipped for any trail. Trust in the quality and reliability of QuadBoss parts. Order your IRS Knuckle Kit from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2017-2019 Polaris ACE 500 Base
2016-2017 Polaris ACE 570 Base
2016 Polaris ACE 900 SP Base
2017-2019 Polaris ACE 900 XC Base
2015-2020 Polaris Ranger 570 Base
2014-2015 Polaris Ranger 570 Crew Base
2015-2020 Polaris Ranger 570 Full-Size Base
2017 Polaris Ranger Crew XP 1000 EPS Base
2017 Polaris Ranger XP 1000 Base
2017 Polaris Ranger XP 1000 EPS Base
2018-2019 Polaris Ranger XP 900 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.

Restore Your Polaris ACE 325 Rear Suspension with a QuadBoss IRS Knuckle Kit

Keep your Polaris ACE 325 performing at its best with this high-quality QuadBoss Independent Rear Suspension (IRS) Knuckle Kit. Designed as a direct replacement, this kit addresses wear and tear in your rear suspension, ensuring optimal handling, stability, and a smoother ride across challenging terrains.

Built for Tough Conditions

This knuckle kit utilizes self-lubricating acetal nylon bushings, providing exceptional wear resistance and smooth articulation for your suspension components. The metal bushings are case-hardened and plated to resist corrosion and abrasion, guaranteeing durability and long-lasting performance even when subjected to the rigors of off-road riding.

Vehicle Fitment

  • Make: Polaris
  • Model: ACE 325, ACE 570, ACE 900 SP, ACE 900 XC, Ranger 570, Ranger 570 Crew, Ranger 570 Full-Size, Ranger 900 Crew, Ranger 900 XP, Ranger Diesel, Ranger ETX, Ranger Crew XP 1000 EPS, Ranger XP 1000, Ranger XP 1000 EPS
  • Years: 2014-2019 (Specific fitments vary by model, see full list)

Key Features & Benefits

  • Direct replacement for the rear independent suspension knuckle.
  • Features durable acetal nylon bushings for reduced friction.
  • Case-hardened and plated metal bushings for enhanced longevity.
  • Restores proper wheel alignment and suspension function.
  • Improves ride comfort and vehicle control.

Ensure your Polaris ACE 325 is equipped for any trail. Trust in the quality and reliability of QuadBoss parts. Order your IRS Knuckle Kit from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2017-2019 Polaris ACE 500 Base
2016-2017 Polaris ACE 570 Base
2016 Polaris ACE 900 SP Base
2017-2019 Polaris ACE 900 XC Base
2015-2020 Polaris Ranger 570 Base
2014-2015 Polaris Ranger 570 Crew Base
2015-2020 Polaris Ranger 570 Full-Size Base
2017 Polaris Ranger Crew XP 1000 EPS Base
2017 Polaris Ranger XP 1000 Base
2017 Polaris Ranger XP 1000 EPS Base
2018-2019 Polaris Ranger XP 900 Base

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