Mishimoto Aluminum Radiator, '06+ Civic Si

A Mishimoto performance aluminum radiator is the ideal upgrade to the stock Civic radiator. For a cooler more efficient running engine, all Mishimoto radiators are designed and engineered to maximize cooling, boost engine functions, and most importantly prevent your car from overheating. Made with 100% brazed aluminum and polished end tanks, this lightweight dual core radiator will enhance the overall performance and lifetime of your engine. All Mishimoto radiators come with a high pressure 1.3 bar Mishimoto radiator cap and a great warranty.