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 wire set, replaces (includes coil wire) 84-816761Q16 AC Delco spark plugs MR43T (6 Spark Plugs) Please check the cover on your engine to be sure MR43T spark plugs are correct for your engine Quality Distributor cap (with brass terminals) , rotor(trigger wheel), gasket, vent tube and hold down screws Replaces: OEM 815407Q5 FAST USPS SHIPPING, 2-3...

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