A'PEXi High Pressure Radiator Cap | 2015+ Subaru WRX/STI (591-A001)

The GT Radiator Cap is a high performance replacement cap designed to provide 1.3 Kg/cm3 of pressure. This allows for higher cooling system pressures which raise the boiling point of the coolant, creating greater cooling efficiency. Available in two types for fitment on a wide variety of applications.

This item is shipped directly from our manufacturer/distributor, and may take 3-5 business days for dispatch. Tracking information will be provided once shipped.