Mustang Heater Core Firewall AN Adapter Fittings (PAIR)
Our Heater Core Firewall AN Adapter Fittings allow you to make custom 10AN firewall lines to accommodate your new intake manifold or supercharger install.
In stock and ready to ship. Available to ship in 1–3 business days.
- (01) Made in USA
- Reuses OEM clips, o-rings, and bushings from factory lines