Quicksilver Spark Plug Wire Kit for V8 MerCruiser (LH) Engines (305 and 350 CID) with Thunderbolt IV Ignition Systems 816761Q4
Spark plug set 816761Q4 is for use on V8 MerCruiser (LH) engines (305 and 350 CID) with Thunderbolt IV ignition systems (1981-1992).
- Complete set of spark plug wires with boots at spark plug end
- Tailored to reach correct plug location
- Designed for efficiency, endurance and durability in a marine engine environment
- Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive