CSF Racing 2-Row 42mm Race Spec Aluminium Radiator w/AC CondenserWorld exclusive only from CSF endorsed by Nissan USA on Project 370Z. CSF has redesigned the OEM all in one cooling system module found in vehicles with the VQ37HR engine. CSF has separated the radiator and AC condenser, but has still managed to design an integrated module thats a drop in fit, requiring no modifications to install. The VQ37 is known to have overheating issues the CSF radiator component now features a High Performance 2 Row Core vs.