Moroso 65413 - Moroso Needles & Seats and Components Details
Kit contains:
1 needle and seat adjusting screw
1 screw gasket
1 needle and seat adjusting nut
1 nut gasket
1 needle and seat o-ring
The Viton needle design is highly recommended for gasoline-fueled engines because it is resistant to dirt and conforms to the seat for superior sealing. If you use exotic fuels or additives such as alcohol, benzine, acetone, etc., you must use the steel-needle version.