This return fitting kit routes returning fuel below the surface level inside a Holley aluminum fuel cell, eliminating overhead splash and minimizing the erratic fuel pressure caused by turbulent, aerated fuel. The 6061-T6 aluminum -10AN ORB port to -10AN male fitting comes with a flexible corrugated tube, hose, and clamp, and anodized fittings resist thread galling and corrosion. It works with both pump gas and E85.
Specifications:
- Brand: Holley
- Category: Air and Fuel Delivery
- Hardware Included: Yes
- Material: Aluminum
- Product Type: Fitting Kit
- Sub Category: Hoses and Pipes
- Warning: California Proposition 65
- Part Number: 26-511
The flexible corrugated tube routes around the fuel cell's anti-slosh foam to reach the bottom of the tank; designed for use with Holley aluminum fuel cells.
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
What does the Fuel Cell Return Fitting Kit include?
It includes a -10AN ORB port to -10AN male aluminum fitting, a flexible corrugated tube, a hose, and a clamp.
Why does the return line route fuel below the surface?
Routing the return below the surface eliminates overhead splash and minimizes erratic fuel pressure caused by turbulent, aerated fuel.
Is this kit E85 compatible?
Yes, it works with both pump gas and E85.
Is this part legal for street use?
No. It is legal for sale and use only on Racing Use Only vehicles that are not registered or operated on the street.

