KOYO ALUMINUM FILLER NECK SCION FR-S & SUBARU BRZ 13-16

– Billet aluminum eliminates steam erosion and cracking common with plastic filler necks

– Integrated 1/8 PT sensor port (supplied with optional plug) to fit with sensors provided by most Japanese temperature gauge companies

– Conversion of radiator cap style to the more durable deep plunger type – Koyorad # SK-C13 or equivalent (OEM cap will not fit, cap not included)

– Direct replacement for a quick installation; a direct replacement for the stock plastic filler neck and can use the OEM hoses and clamps