Harrison 4 Core radiator, manual transmission. We’ve now reproduced the correct looking 4 row radiator for manual transmission cars. It has the correct Harrison logo and correct hat channels & copper brass core. This is a manual transmission radiator. It is a GM licensed part. Perfect for a concours restoration of your 68-72 Cutlass / 442 / W30 / W31/ GTO / LeMans / Judge / Chevelle / LS5 / LS6 / El Camino / Cutlass / 442 / W30 / W31 / Skylark / GS / GSX and 70-72 Monte Carlos. This radiator is made in the USA.