Quicksilver 33-97182Q NGK BUHW-2 Spark PlugQuicksilver replacement NGK BUHW-2 Surface Gap Spark Plug. Features a tungsten center electrode and a solid terminal. NGK Trivalent metal plating provides superior anti-corrosion in marine environments and anti-seizing for easier removal.Check your engine and maintenance manual for the correct spark plug and only use as recommended by your engine's original equipment manufacturer. Using the wrong plug can reducing optimum performance, reduce fuel economy or cause damage to your engine. Special Order Item. This item is sold in interval quantities of 10.