Dellorto 4576 style/type. D20 push-in jets, made in UK. · Main Jets for Dellorto Carburettors. · These are D20 push-in jets required for SI Carbs in most of your Vespas. ALL MANUFACTURED SIZES FOR D20.
This product is ideal for Vespa-PX owners who need a dependable and powerful D20 push-in jet exhaust.
