All Balls leading technology 8-Ball Extreme Duty axles are up to 40% stronger than OE axles. These complete axles feature enlarged CV joints, bearing cages, and chromoly axle shafts. All internal components are precision ground and utilize molybdenum grease. 
8 Ball AB8-PO-8-379

Front Left / Front Right Fitment:

• Polaris ACE 325 15-16
• Polaris ACE 325 EU 15
• Polaris ACE 325 HD 15
• Polaris ACE 500 17-19
• Polaris ACE 570 15-17
• Polaris ACE 570 EU 15-18
• Polaris ACE 570 HD 15-19
• Polaris ACE 570 MD 16
• Polaris ACE 900 EFI EPS 16