Indmar Marine Spark Plugs – 5.7L Standard | Non-Catalysed Exhaust System | Part #491008 Keep your Indmar 5.7L firing on all cylinders with this genuine Indmar standard specification spark plug, designed for engines fitted with a non-catalysed exhaust system. Spark plugs are one of the most fundamental tune-up items on any engine — and on a marine engine running hard all summer they deserve the same attention as your impeller and oil filter. Fresh plugs mean reliable starts, smooth power delivery, and optimal fuel efficiency every time you hit the water. Compatible with: Indmar 5.7L marine engines with non-catalysed exhaust systems fitted to Malibu, Moomba, Supra, MB, Mastercraft and Tige boats. Contact us to verify fitment for your specific model year

636050 INJECTOR FUEL 4 BAR (EV-14)