Straight Bulkhead Black -4

The Straight Bulkhead Black -4 from ALLSTAR PERFORMANCE is a precision hydraulic and fuel line fitting designed for high-performance automotive and motorsport applications. This AN standard component serves as a pass-through bulkhead connector, allowing fluid lines to transition safely through firewall or chassis panels without kinking or damage. It is ideal for racers, hot rod builders, and performance technicians who need to maintain system integrity in tight engine bays.

This straight bulkhead design features 4 AN male ports, allowing seamless connection of -4 size hoses or hard lines on either side of a barrier. Constructed from aluminum and finished in black anodized coating, the fitting resists corrosion while maintaining a professional appearance. The anodized treatment provides durability against fuel, coolant, and brake fluid exposure, ensuring long service life in demanding environments.

Competition builders, street rod enthusiasts, and performance shops select the Straight Bulkhead Black -4 for various systems, including fuel injection, nitrous oxide lines, coolant circuits, and brake system upgrades. Its AN4 rating ensures compatibility with standard -4 braided hose assemblies and hard line adapters found in professional racing applications. The compact design allows for installation in space-constrained areas without extensive modifications.