Seller notes

Tune up kit for Mercruiser 4.3 L engines with Thunderbolt ignitions FREE SHIPPING Fits Thunderbolt IV & V Ignitions for 4.3L V6 engines Includes:Quality 8mm wire set, replaces (includes coil wire) 84-816761Q16 AC Delco spark plugs MR43LTS (6 Spark Plugs) Please check the cover on your engine to be sure MR43LTS spark plugs are correct for your engine, this is common for newer 'vortec' engines Quality Distributor cap (with brass terminals) , rotor(trigger wheel), gasket, vent tube and hold down sc...

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