Outer Limits 4x4 Board

Hello....im looking for a better radiator for my 4runner/surf cause when i drive 4WD im getting overheating problems...so i think about it to buy a new one...i dont want to have a crack head gasket...so i hope you could help me...Thanks a lot...ive check already the rest which could cause these issue...but everything is fine...

greets Maik