CSF Aluminum Filler Neck w/ Radiator Cap - 2013+ Subaru BRZ/Scion FR-S/Toyota GT86



The CSF all-aluminum filler neck with high performance radiator cap is an easy and effective upgrade. It's a great combination with the stock radiator or even better with a CSF or other high performance radiator.

- Mirror finish polish
- Drop-in fit, no modifications to install - simple plug-n-play
- Comes with a mini sized filler neck. The original filler neck is a micro size (flat edges on cap). The mini size is more popular (rounded edges on cap). - Embossed CSF logo 1.4 bar high pressure mini cap included. Filler Neck is compatible with other high pressure type caps as well, so you can easily switch radiator caps.

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