GFB Go Fast Bits 5741 AN-4 Male Flare to 1/16 NPT Vacuum Adaptor

The GFB Go Fast Bits 5741 is an AN-4 Male Flare to 1/16" NPT Vacuum Adaptor designed to work seamlessly with GFB's FX-Series fuel pressure regulators. This precision-machined adaptor allows you to connect AN-4 (4AN) male flare fittings to 1/16" NPT threaded ports, making it ideal for vacuum or boost reference line hookups on performance fuel pressure regulators.

Key Features:

• Converts AN-4 Male Flare to 1/16" NPT female thread
• Designed as a direct accessory for GFB FX-Series fuel pressure regulators
• Precision-machined for leak-free sealing under vacuum and boost conditions
• Compatible with GFB FX-S, FX-R, and FX-D fuel pressure regulators
• Compact design for tight engine bay installations
• Manufactured to GFB's quality standards for performance fuel system applications

The GFB 5741 adaptor is a purpose-built accessory that simplifies the vacuum/boost reference connection on your fuel pressure regulator without the need for additional adaptor stacks or custom fabrication.