Universal weld on fuel tank filler necks which include a splash bowl and an overflow drain pipe take off. Manufactured in the UK from aluminium this filler neck kit meets Motorsport UK requirements for competition use. Ideal for custom alloy tank builds.Weld on aluminium filler neck with screw capTIG welded splash bowl with overflow take offMeets MUK regulations for refuelingChoice of 40mm or 50mm outer diameter filler neck tube