Cast aluminium filler neck designed to SAE standard specifications, they can be used with a standard medium SAE sized lugged filler cap at any pressure up to 2 Bar (G) Rating.

Complete with machined aluminium vent pipe which can be screwed in for vent to atmosphere applications or secured with thread sealing compound such as Loctite 272 for vacuum draw back installations.

This filler neck is designed to be welded to an aluminium catch bottle, pressure bottle or header tank. The aluminium grade is LM6.