Mercury 815407T5 Replacement Ignition Rotor and Cap Kit for Marinized GM V6 Engines with Thunderbolt IV and V HEI Ignition Systems Eyewear Additional features include a precision

Additional features include a precision machine-cut brass pinion gear

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Mercury 815407T5 Replacement Ignition Rotor and Cap Kit for Marinized GM V6 Engines with Thunderbolt IV and V HEI Ignition Systems Eyewear Additional features include a precisionMercury Replacement Ignition Rotor and Cap Kit 815407T5 ensures optimum spark delivery for peak engine performance. Featuring a coated brass rotor blade, this kit is specifically designed to resist RFI interference with onboard electronics in marinized GM V6 engines. For marinized GM V6 engines with Thunderbolt IV and V HEI systems Contains easy to replace rotor, gasket, and cap Coated brass rotor blade resists RFI interference Ensures efficient