K&N Engineering BM-1205 KN Motorcycle Direct Fit Air Filters windshield-mounting-hardware This specific hub is double

This specific hub is double drilled with a 5 x 4

The cogs also dissipate heat and make the belt more flexible

Integrated soft edge collar construction with hook-and-loop collar volume adjustment

Polaris 550 IQ Shift 2009-2012

6 Liter A24A

K&N Engineering BM-1205 KN Motorcycle Direct Fit Air Filters windshield-mounting-hardware This specific hub is doubleK&N's high flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle.