Polisport Radiator Louvers - Blue Panels for Yamaha YZ 450FX/WR 450F (2007-2018) YZ 250FX/WR 250F (2015-2019) YZ 450F (2014-2017) YZ 250F (2014-2018) - OEM Fit, Durable Plastic, Enhanced Airflow Engine Coolant Built with Makita's durable construction

Built with Makita's durable construction standards

they are the best installation tools for tall doors

reducing early shank breaks

3 HP performance

make the change and switch to Pirelli Scorpion tires

Polisport Radiator Louvers - Blue Panels for Yamaha YZ 450FX/WR 450F (2007-2018) YZ 250FX/WR 250F (2015-2019) YZ 450F (2014-2017) YZ 250F (2014-2018) - OEM Fit, Durable Plastic, Enhanced Airflow Engine Coolant Built with Makita's durable constructionKeep 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.