Boss Bearing 50-1121UP Bronze Upgrade! Front Lower A Arm Bushing Kit

Reduce slop and downtime with our exclusive Boss Bearing upgrade! This upgrade boasts tensile strength of 35,000 psi, yield strength of 27,000 psi and a brinell hardness of 72! Our upgrade allows you to keep contamination out and clean grease in!

Our kit features:

Cast SAE 660 Bronze Bearing material to replace factory plastic bushings;

Cast SAE 660 offers excellent strength and wear resistance with exceptional anti-frictional characteristics;

These precision CNC machined bushings have an integrated uni-directional nitrile seal;

The uni-directional seal allows one to purge the pivot point of any contamination with grease as needed;

An incorporated figure 8 grease channel allows grease to be evenly distributed around bushing and pin;

Pins (when included) have been upgraded to a polished Rockwell 60 hardness to increase wear resistance and life. Factory pins have been tested to be less than Rockwell 50.

Kit Fits:

Polaris Ranger 570 Crew 4x4 Full Size 2015

Kit Contains:

4 Cast SAE 660 Bronze Bearing Material Bushings

Please note: This kit will repair one side, if you need to repair both the left and right sides please order 2 kits.