Mishimoto has developed a dirt bike radiator for the Honda TRX450R.Upgrade your stock Honda radiator with a Mishimoto Aluminum ATV Radiator to receive 30% greater cooling efficiency.All Mishimoto Powersports Radiators are made with aircraft quality brazed aluminum and are precision tig welded for extreme durability.The Mishimoto Honda ATV Radiator is designed as a direct OEM fit to ensure smooth installation.