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Mercruiser Thunderbolt 4.3 L V6 DISTRIBUTOR CAP ROTOR SPARK PLUG WIRES KIT SET
Fits 4.3 L V6 engines with Thunderbolt ignition system. Check MR43T are the correct spark plugs for your engine before ordering. Includes new bolts, gasket, and drain for cap. Dialectic grease included for wires.