Radium Engineering 16AN ORB Male to 10AN ORB Female Full-Flow Reducer Coupler
The Radium 14-0698 is the industry-standard adapter for stepping down from any 16AN O-ring port (Radium FCST, fuel rails, surge tanks, catch cans, etc.) to a standard 10AN line. CNC-machined from 6061-T6 aluminum with deep green Type-II anodizing and Viton O-rings, it features a true full-flow internal bore with zero restriction – perfect for 1000+ hp return lines, dual-pump surge tanks, or dry-break setups.
Key Features
- 16AN ORB Male → 10AN ORB Female
- 100% Full-Flow Bore – no step, no restriction
- 6061-T6 Aluminum + Green Anodizing
- Viton O-Rings Included – compatible with all fuels, E85, methanol, oil
- Made in the USA – lifetime Radium warranty
Product Notes
- Directly replaces 20-1000-1610 (same part, new part number)
- Black version available → 14-0698-BLK
Installation Notes
- Torque to 30–35 ft-lbs with light oil on O-ring
- Use with any 16AN ORB port and 10AN hose end
This Part Fits
Universal any application requiring 16AN ORB to 10AN ORB transition
Why Choose Radium Engineering?
- The #1 name in high-end fuel system plumbing
- Every fitting designed and machined in Oregon, USA
- Trusted by every major 1500+ hp Subaru, BMW, Honda, and Toyota build
Frequently Asked Questions
-
Q: Will this work on my Radium Fuel Cell Surge Tank?
A: Yes, this is the exact fitting Radium specifies for 10AN return lines. -
Q: Is the bore stepped or full-flow?
A: Completely full-flow zero pressure drop. -
Q: Black version available?
A: Yes, search 14-0698-BLK.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: Always in stock
- Packaging: Individually bagged with Viton O-ring
Fabrication
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Radium Engineering Fuel System Parts
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