Mercury Replacement Ignition Rotor and Cap Kit 815407T5 is designed to resist RFI interference with onboard electronics and ensure optimum spark delivery to your engine for peak performance.
For use on marinized GM V6 engines with Thunderbolt IV and V HEI ignition systems
Contains an easy-to-replace rotor, gasket and cap
Coated brass rotor blade is designed to resist RFI interference with onboard electronics
Replace worn or damaged rotor and cap to ensure optimum spark delivery to your engine
Mercury parts and accessories are backed by decades of experience in engineering, testing and manufacturing to provide the best fit, function and performance