Description
Mercury 815407T5 Replacement Ignition Rotor and Cap Kit for Marinized GM V6 Engines with Thunderbolt IV and V HEI Ignition Systems 2025 12 08 Nickel Plated Steel Hardware 1810387 Nickel Plated Steel Hardware 8 Bulk Terminal Tackle Boxes Mercury Replacement Ignition Rotor and Cap Kit 815407T5 ensures optimum spark delivery for peak engine performance Coated brass rotor blade resists RFI interference