SPEEDFX 575115 Dual Inlet Fuel Line Adapter for Holley 4150 Carburetor

The SPEEDFX 575115 is a precision-engineered dual inlet fuel line adapter designed specifically for use with Holley 4150 style carburetors equipped with dual feed fuel inlets. This adapter features color-coded red and blue anodized aluminum construction for easy identification of fuel inlet and return lines.

Key Features:

• Dual -8AN male fittings for secure, high-performance fuel line connections
• 7/8-20 thread pitch matches Holley 4150 carburetor inlet specifications
• Integrated 1/8 NPT port for fuel pressure gauge or additional accessories
• Stainless steel braided hose construction for durability and leak-free operation
• Red and blue anodized finish for inlet/return line identification
• Direct bolt-on installation for Holley 4150 dual feed carburetors

This adapter simplifies fuel system plumbing by providing a clean, professional connection between AN-style fuel lines and Holley carburetors. The built-in NPT port allows for convenient fuel pressure monitoring without additional fittings or adapters. Ideal for performance street, strip, and racing applications requiring reliable high-flow fuel delivery.