Radium 3/16" Barb Vacuum Port Adaptor

These adaptors are included with all Radium Engineering fuel pulse dampers and fuel pressure regulators as standard. They are black zinc-plated with 10-32 threads that adapt to 3/16" (5mm) barb. 

NOTE: Many different diameter vacuum hoses can be used, including: 5/32" (4mm), 3/16" (5mm), and 7/32" (6mm).

These adapters are compatible with the following Radium Engineering products:

1. MPR Multi-Port Regulator
2. DMR Direct Mount Regulator
3. FST-R Fuel Surge Tank-Regulated
4. FPD-R Fuel Pulse Damper-Range
5. FPD-XR Fuel Pulse Damper-Extra Range
6. FPR-D Fuel Pressure Regulator-Damper
7. Applicable Fuel Hangers: BMW, Ford, Nissan

NOTE: READ THE INSTRUCTIONS PRIOR TO REMOVING THE FACTORY INSTALLED BARBED NIPPLE.