12AN Bulkhead Adapter Straight Male Male Black

The 12AN Bulkhead Adapter Straight Male Male Black from Redhorse Performance is a precision-engineered hydraulic line connector designed specifically for high-performance fuel, oil, and coolant system plumbing in modified vehicles. This adapter serves as a critical junction component in custom fuel injection systems and engine bay fluid management applications where a 12AN male connection is required on opposite sides of a firewall or bulkhead.

Whether you're building a forced-induction engine package or retrofitting a modern fuel system into a classic platform, this straight-through bulkhead fitting provides a reliable, leak-free connection point. The black anodized aluminum construction resists corrosion while providing positive visual identification in tight engine bays, and the precision-machined threads ensure consistent torque values across installations.

This adapter is ideal for those integrating auxiliary cooling circuits or managing engine bay plumbing. Its bulkhead design allows the adapter to function as both a connector and structural spacer, maintaining precise line separation and reducing vibration, making it a valuable component for any high-performance setup.