Mercury 815407T5 Replacement Ignition Rotor and Cap Kit for Marinized GM V6 Engines with Thunderbolt IV and V HEI Ignition Systems Eyewear Turning a four-blade prop in

Turning a four-blade prop in front of a three-blade prop minimizes cavitation for smoother

On-screen display technology shows battery status

The Mercury Black Max propeller 77344A45 sets the bar for versatility and value among aluminum props

External Power DC 12V input

The three-blade Mercury Vengeance propeller 8M0151406 delivers solid performance for many on-water activities

Mercury 815407T5 Replacement Ignition Rotor and Cap Kit for Marinized GM V6 Engines with Thunderbolt IV and V HEI Ignition Systems Eyewear Turning a four-blade prop inMercury 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