C&R Performance now offers radiators for the Porsche 981 GT4 built by PWR in Australia and used by top teams in The IMSA Continental Tire GS series. The RHS radiator features 42mm dimple tube core technology for unmatched heat rejection. These are thesame radiators used by the winning 2016 Sebring and Laguna Seca team are a must have for any performance upgrade on your 2016 Porsche GT4. The radiator mounts just like the factory cooler using OEM mounting provisions and provides optimum cooling that is demanded by Porsche 981 GT4 cars racing on the IMSA circuit or at other racing venues. RHS radiator fits 981 GT4 and 981 S cars.