Sin Ling provides high-precision aluminum AN fittings and brass AN adapters for automotive performance, motorsports, fuel delivery, and industrial fluid systems. Each AN fitting is engineered to deliver clean and consistent 37° flare sealing, ensuring reliable performance under high pressure and severe vibration.

Our product range includes AN fuel line fittings, AN unions, elbows, reducers, straight connectors, and AN-to-ORB / AN-to-NPT adapters commonly used in racing fuel systems, braking circuits, turbo/oil lines, and custom vehicle applications.

All AN components are CNC-machined to exact tolerances to guarantee smooth assembly, accurate flare engagement, and long-term leak-free operation.

FAQ

Q1: Do you offer custom colors or anodized finishes?
Yes. Anodized options are available upon request.

Q2: Are these compatible with PTFE or rubber hoses?
Yes, depending on the hose type and seat design.