Description
Mercury 805759T3 Cap and Rotor Kit for Marinized GM V8 Engines with Thunderbolt IV and V HEI Ignition Systems 7" Easily change between wide and 1810387 Easily change between wide and narrow beams to focus on areas of interest with the removable transducer lens has been carefully benchmarked against the VISION ONETEN Ensures optimum spark delivery for engine peak performance Mercury Cap and Rotor Kit 805759T3 is designed to ensure optimum spark delivery for peak performance