Choose Options Compare Quick view Billet Radiator Cap Cover fits Subaru WRX STI ('02-07) MSRP: Now: $30.00 Was: Billet-aluminum engraved radiator cap cover fitting Subaru WRX and STI model vehicles. Designed to attach to your radiator cap via allen set screws (allen key included).We offer these engraved for the Subaru STI enthusiast in several finishes... MSRP: Now: $30.00 Was: Choose Options Compare Quick view