The Racer X Fabrication oil cooler for the 2023+ Toyota GR Corolla will keep high oil temperatures in check. The Racer X oil cooler kit is designed for autocross and track use -- typically not recommend for street use. Depending on location and summer time temperatures engine oil can exceed 250 degrees F, the oil cooler will help to reduce oil temperatures with optimal placement and an efficiently sized core. The oil cooler tanks are CNC machined from 6061-T6 aluminum and feature standard -10AN o-ring boss fittings. The kit includes the Racer X thermostatic adapter plate, which functions with the use of a wax thermostat. The oil cooler will be by-passed until the vehicle reaches operating temperature, once operating temperature is reached the thermostat will open and allow oil flow through the oil cooler. The Racer X oil cooler kit comes standard with -10AN pro lite hose/fittings and associated mounting brackets.