The CSF All-Aluminium Coolant Filler Neck with 1.4 bar High-Pressure Radiator Cap is a replacement for the plastic auxiliary filler neck used in Scion FR-S, Subaru BRZ, Toyota 86 and Toyota GR86 applications.
Its all-aluminium construction is 100% TIG-welded and mirror polished. Designed as a drop-in replacement, it requires no modifications. The included mini-style radiator cap is embossed with the CSF logo.
Key Features
- All-aluminium, 100% TIG-welded construction
- Mirror-polished finish
- Included 1.4 bar high-pressure radiator cap
- Integrated 1/8 NPT sensor port for aftermarket sensors, with a preinstalled optional plug
- Drop-in installation without modifications