Stainless Steel Vacuum & Boost Barb (5mm)

These 247 Hose & Fittings Boost & Vacuum Barb Hose Adapters are the perfect solution for plumbing boost and vacuum lines in high-performance and street applications. Designed for reliability and ease of use, these fittings allow you to create secure, leak-free connections when running silicone vacuum hose setups. Available in -3AN and -4AN sizes, they are specifically suited to work with 5mm silicone vacuum hose, making them ideal for turbo systems, boost controllers, fuel pressure regulators, and other engine management components.

Key Features:

• Designed for boost and vacuum line plumbing
• Available in -3AN and -4AN sizes
• Available in straight, 45° and 90°
• Suits 5mm silicone vacuum hose
• High-quality construction for durability and reliability
• Provides secure, leak-free connections
• Suitable for street and motorsport applications

Performance Benefits:

• Ensures stable boost and vacuum signal delivery
• Reduces risk of leaks and pressure loss
• Ideal for precision tuning and engine management systems
• Durable under heat and engine bay conditions

Fitment & Application:

• Suitable for turbocharged and naturally aspirated engines
• Ideal for:
  • Boost controllers
  • Blow-off valves
  • Fuel pressure regulators
  • MAP sensors and vacuum references
• Works with 5mm silicone vacuum hose setups

Installation Notes:

• Push hose securely onto fitting for a tight seal
• Use clamps if required for high-boost applications
• Ensure correct AN size is selected for your setup

Specifications:

• Type: Boost/Vacuum Hose Adapter
• Sizes Available: -3AN, -4AN
• Hose Compatibility: 5mm silicone vacuum hose
• Application: Boost and vacuum systems
• Brand: 247 Hose & Fittings

Why You Might Need It:

• Clean and reliable way to plumb boost and vacuum lines
• Essential for turbo setups and engine tuning
• Compatible with common 5mm silicone hose systems
• Ideal for street, track, and motorsport builds