# Edelbrock Fitting -6An Pro Flo Regulator

Edelbrock part #3577 Regulator Fitting is a -6 AN fuel inlet fitting is for use with fuel mounted regulators that come included with all Pro-Flo EFI systems. The fitting will screw directly onto the fuel rail mounted fuel regulator and provide you with a -6 AN male nipple to connect your return fuel line to. This is the easiest and cleanest way to connect a return fuel line to your Edelbrock pro-Flo EFI system's fuel regulator.

-   0.625 in. - 20 Diameter

## Details

- **Price:** 70.39 CAD
- **Vendor:** Edelbrock
- **Type:** Fittings

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 70.39 CAD | In stock |

## Images

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/edelbrock-fitting-6an-pro-flo-regulator)
> Updated: 2026-08-18