26" x 19"-Chevy SBC 350 Crossflow Stype&Double Pass. 100% TIG-welded end tanks & brazed All T-3003 Aluminum Alloy core. Made of High Quality Full T-3003 Aluminum Construction.Super light weight design reduces the weight compared to the OEM radiator. We have jet lag, all the message will be replied as soon as we start our daily work. Thank you for your cooperation!