What is included in this ball joint kit?

Each QuadBoss Ball Joint Kit comes with the ball joint itself, a snap ring, and a cotter pin. The kit is sold per A-arm, meaning you'll need one kit for each ball joint you are replacing on an A-arm.

Why should I choose a steel ball joint over an aluminum one?

Steel ball joints are generally more robust and less prone to premature failure than aluminum ones, especially in demanding off-road conditions. This QuadBoss kit upgrades your suspension with a heavy-duty steel case for improved longevity.

Can this ball joint kit be used on both upper and lower A-arms?

This kit is designed to replace the O.E.M. ball joint on your A-arm. You would need to verify your specific vehicle's suspension configuration to confirm if it's intended for upper or lower A-arm applications, as it's sold per A-arm.

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Specifications

Brand: QuadBoss
Part #: 415527
UPC: 415527

QuadBoss Ball Joint Kit

Name: QuadBoss Ball Joint Kit
Brand: QuadBoss
Price: 62.30 USD
Availability: InStock

$62.30

Only 1 left in stock

Fits 2015-2019 Polaris Sportsman 570 Touring SP. QuadBoss heavy-duty steel ball joints replace O.E.M. aluminum joints for improved durability.

Key Features

Fits 2015-2019 Polaris Sportsman 570 Touring SP, 2015-2017 and 2019 Polaris Sportsman 570 SP, and 2017-2019 Polaris ACE 900 XC.
Heavy-duty steel cases offer improved durability over O.E.M. aluminum joints.
POM-M90 bearing cup isolates the ball end from the case for extended service life.
Each kit includes the ball joint, snap ring, and cotter pin.
Sold individually per A-arm.

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Fits these vehicles

Polaris ACE 900 XC 2017-2019
Polaris Sportsman 570 SP 2015-2017, 2019
Polaris Sportsman 570 Touring SP 2015-2019

Product Details

This QuadBoss Ball Joint Kit gives you a heavy-duty steel replacement for your original equipment aluminum ball joint. It's designed to help you avoid premature failure and can also be a smart alternative when you might otherwise need to replace an entire A-arm or steering knuckle.

Inside the steel case, a POM-M90 bearing cup separates the ball end from the housing. This design helps the joint last longer by isolating the moving parts. You get the ball joint, a snap ring, and a cotter pin with each kit, and each kit is intended for one A-arm.