Mishimoto has developed an ultra-durable patented X-Braced Dirt Bike Radiator for the Honda CRF450R. The built-in corner bracing ensures the highest level of durability to riders on the track or off road. Upgrade your stock Honda CRF450R radiator with a Mishimoto CRF450R Aluminum Radiator to receive 30-percent greater cooling efficiency. All Mishimoto Powersports Radiators are made with aircraft quality brazed aluminum and are precision TIG welded for extreme durability. The Honda CRF450R Dirt Bike Radiator is designed as a direct OEM fit to ensure smooth installation.