Ignition System

Indmar Marine Spark Plugs – Set of 8 | LS1 / LQ9 / LY6 / L96 / LS3 Engines | Part #491012 Keep your Indmar LS-series engine firing cleanly and consistently with this genuine Indmar spark plug, covering the LS1, LQ9, LY6, L96, and LS3 engine families. The LS-series engines are among the most respected and reliable marine powerplants ever built — and keeping the ignition system in top condition is the key to maintaining their legendary performance and longevity on the water. Compatible with: Indmar LS1, LQ9, LY6, L96, and LS3 marine engines fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year before ordering.