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. This aluminum radiator, like all Mishimoto radiators, comes with a 1.3 bar high-pressure radiator cap and is backed by our unparalleled Mishimoto Lifetime Warranty.*Fits USDM EP3 Civic SI (2002–2005)*Fits UKDM EP3 Civic Type R (2002–2005)Direct fit for the 2002-2005 Honda Civic Si w/ K20 engineOverall Size: 17.95" x 26.93" x 1.92" / Core Size: 13.78" x 26.23" / Rows: 2Inlet & Outlet: 1.26" / Core Thickness: 1.42" / Tank Wall Thickness: 0.08"All-aluminum construction includes high-pressure rad cap and magnetic drain plugMishimoto Lifetime Warranty