Description
When you’re running custom fluid lines in a forced-induction or fuel system setup, thread compatibility becomes critical—and mismatched adapters create leaks, pressure loss, and wasted tuning time. The Earls St. #6 > 1/2 NPT Adapter bridges the gap between modern -6 AN fittings and legacy NPT ports, eliminating the need for custom fabrication or jury-rigged solutions. This straight adapter is CNC-precision engineered and anodized for corrosion resistance, making it a reliable connector for fuel, oil, and coolant circuits in professional and street applications.
- Type: Straight adapter
- Inlet: 6 AN male
- Outlet: 1/2 in NPT male
- Material: Aluminum
- Finish: Blue anodized
- Installation: Bolt-on (wrench required)
- Application: Fuel, oil, coolant systems
- MPN: 981668ERL






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