10AN ORB ROLLOVER VALVE. The Holley aluminum fuel cells contain anti-slosh foam that is pre-cut to accept Holley fuel level senders. This foam is not E-85 compliant and should be removed if that fuel type is used.
Holley 19-228 Fuel Gauge Sender 15 or 20 Gallon Fuel Cell
Holley 19-227 Fuel Gauge Sender 5 or 10 Gallon Fuel Cell