This vent kit lets a Holley aluminum fuel cell breathe safely during fueling and under heavy acceleration, helping prevent the cell from becoming pressurized while keeping fumes contained. The kit includes 6 ft of -10AN nylon braided hose, all necessary fittings, a rollover valve, a bulkhead fitting, and a breather filter, with anodized fittings that 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: Nylon
- Product Type: Vent Kit
- Sub Category: Fuel Storage
- Warning: California Proposition 65
- Part Number: 26-510
Designed for Holley aluminum fuel cells with -10AN ORB feed, return, and vent ports; compatible with single and dual in-tank fuel pump modules.
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 Holley Fuel Cell Vent Kit include?
It includes 6 ft of -10AN nylon braided hose, all fittings, a rollover valve, a bulkhead fitting, and a breather filter.
Is this vent kit compatible with E85?
Yes, it is compatible with both pump gas and E85.
What is the rollover valve for?
The included rollover valve adds protection for the vent, helping prevent fuel spillage if the vehicle rolls over.
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.

