Subaru OEM Radiator Cap WRX 04-14 / STI 04-21 | 45137FE002 vendor_Rally Armor The twin disc construction is

The twin disc construction is tuned for maximum drivability

20% greater cooling efficiency compared to the stock radiator

or Dive Plane Kit

14mm injector bores and is compatible with the OEM injectors and any aftermarket injectors with OEM VQ fitment

Subaru OEM Radiator Cap WRX 04-14 / STI 04-21 | 45137FE002 vendor_Rally Armor The twin disc construction isProduct Fitment: 2004 2014 Subaru WRX 2004 2021 Subaru STI 45137FE002 Cap Assembly Radiator is Part Code 45137D in the diagram Warranty Disclaimer: Subaru of America will only warranty parts installed by a CERTIFIED Subaru Dealership. The part being installed must also match the vehicle VIN. IE If you install an STi block in a WRX at your friends shop, do not expect a warranty claim to come through if it explodes! Please use your best judgement.