Description
When you’re running high-flow fuel, coolant, or boost lines through your engine bay, size mismatches create restrictions that rob you of performance and reliability. This Allstar Performance reducer adapter lets you confidently step down from -16 AN to -10 AN without compromising flow or introducing leaks—a critical piece for custom fuel systems, forced induction setups, and precision plumbing work. The straight-port design and black anodized finish mean it’ll handle heat cycles and maintain a clean appearance under the hood.
- 16 AN Female Swivel inlet
- 10 AN Male outlet
- Straight-port adapter
- 6061-T6 Aluminum construction
- Black anodized finish
- CNC-machined precision
- Sold individually
- Bolt-on installation
- MPN: ALL49748






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