Polisport Radiator Louvers - Blue Panels for Yamaha YZ 450F (2018-2022) Yamaha YZ 250F/450FX/WR 450F (2019-2023) Yamaha YZ 250FX/WR 250F (2020-2023) - OEM Fit, Durable Plastic, Enhanced Airflow MO ACE 325 (2015-2016)

ACE 325 (2015-2016)

Suitable for use with either hand by simply switching the crank

both on and off the jobsite

the gold standard in powersports filtration

Included Large High Efficiency Filter ensures optimal dust and microparticle collection

Polisport Radiator Louvers - Blue Panels for Yamaha YZ 450F (2018-2022) Yamaha YZ 250F/450FX/WR 450F (2019-2023) Yamaha YZ 250FX/WR 250F (2020-2023) - OEM Fit, Durable Plastic, Enhanced Airflow MO ACE 325 (2015-2016)Keep your engine cool and protected with Polisport Radiator Louvers, engineered for optimal airflow and rugged off road durability. Made from Durable Gloss Polypropylene (DGP), these injection molded panels deliver a precise OEM style fit while enhancing the radiators cooling efficiency. Whether you're replacing stock louvers or upgrading for performance, Polisport offers a reliable solution trusted by riders worldwide.