Description
Proper fluid line sizing is critical to maintaining system pressure and preventing restrictive bottlenecks in your fuel, oil, or coolant systems. This Allstar Performance reducer fitting allows you to step down from larger -10 AN lines to -4 AN connections without compromise, using precision-engineered aluminum construction that withstands high-pressure racing applications. Whether you’re integrating components with different port sizes or optimizing your fuel delivery system, this adapter delivers the reliability and flow characteristics your engine demands.
- 10 AN Male inlet
- 4 AN Male outlet
- Straight configuration
- Aluminum construction
- Black anodized finish
- Bolt-on installation
- Sold individually






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