38mm (1.5″) Stainless Weld-On Adaptor

The 38mm (1.5″) Stainless Weld-On Adaptor (Part Number GFB-5605) is a high-quality adaptor designed for blow-off valve (BOV) installations requiring a welded connection to turbo plumbing. Constructed from durable stainless steel, this adaptor provides a strong, leak-free interface for high-performance turbocharged applications.

Ideal for motorsport, street, and custom turbo setups, this adaptor ensures proper BOV function and helps maintain boost control and system reliability.

⚙️ Key Features

• GFB Part Number: 5605
• 38mm (1.5″) diameter
• Made from high-quality stainless steel for strength and corrosion resistance
• Designed for weld-on installation to turbo plumbing
• Compatible with GFB blow-off valves and custom turbo setups
• Provides a secure, leak-free connection under high boost pressures

🏁 Performance Benefits

• Ensures precise and reliable BOV operation
• Strong stainless steel construction withstands high boost and heat
• Ideal for high-performance turbocharged engines
• Reduces leaks and potential boost loss for consistent performance

🚗 Fitment & Application

• Designed for blow-off valves that require a weld-on connection
• Suitable for all turbocharged engines and custom setups
• Works with GFB and other compatible BOVs
• Ideal for street, track, drift, and motorsport builds

🛠️ Installation Notes

• Requires professional welding for secure installation
• Ensure turbo plumbing is clean and free of debris before welding
• Position adaptor carefully for proper BOV alignment
• Inspect welds for integrity before pressurizing the system

🔩 Specifications

• Type: Weld-On Adaptor for Blow-Off Valves
• Diameter: 38mm / 1.5″
• Material: Stainless steel
• GFB Part Number: 5605
• Application: Turbocharged engines, BOV installations

💡 Why You Might Need It

• Required for installing a BOV where a threaded or clamp-on connection isn’t suitable
• Ensures leak-free, high-performance turbo plumbing
• Essential for custom and motorsport turbo setups
• Durable and long-lasting for reliable operation under high boost