4AN Vacuum Fitting [6215]

GFB BOV to AN-4 Male Flare Vacuum Adapter

Upgrade your GFB Blow-Off Valve with this high-quality AN-4 male flare vacuum adapter, designed to replace the standard brass hose barb for those running big boost setups. If you need to connect a braided vacuum hose to your GFB BOV, this stainless steel adapter is the perfect solution.

Key Features:

• Converts the standard brass hose barb on popular GFB BOVs to AN-4 fitting
• Ideal for high-boost applications requiring braided vacuum hose connections
• Precision-machined stainless steel construction for durability and reliability
• Includes a Viton O-ring to ensure a secure, leak-free seal
• Compatible with GFB Mach 2, Hybrid, Respons, and Deceptor Pro II BOVs
  • Only fits models where the existing brass hose barb features a female hex in the hole
  • Not compatible with early versions that had a round hole and different thread

For boosted applications requiring stronger and more secure vacuum connections, the GFB AN-4 vacuum adapter is the perfect addition to your setup!

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