These bushings are machined to match the polaris stock bushings so they fit perfect and last longer than the brittle plastic oem bushings.
 
Replaces part number: 
5450297, AXYS RUSH/SWITHCHBACK/INDY
or
5451498, AXYS RMK
 
Machined from bushing grade brass.
 
The set comes with enough bushings to do upper and lower a arms on both sides.