Quicksilver 805759Q3 Distributor Cap Kit for Marinized V8 Engines by GM with Thunderbolt IV and V HEI Ignition Systems

Cap is made from a blend of PBT and PET plastics for increased strength, stiffness, and resistance to warpage Solid brass inserts resist corrosion and electrical pitting for long service life Designed to resist RFI interference with onboard electronics Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your MerCruiser engine High strength-to-weight ratio for durability and resistance to thermal cracking