Mercruiser Thunderbolt V8 Spark Plug Wire Set by Sierra
For 8 cylinder engines with Thunderbolt ignition systems.
- Kit includes coil wire.
- Kevlar® core for maximum durability and long life.
- Durable stainless steel wound conductor for maximum horsepower and engine performance.
- Premium silicone jacketing and boots for the ultimate in high temperature protection.
- Superior RFI suppression for the most sensitive electronic system.
- Corrosion resistant stainless steel spark plug and distributor terminals for maximum conductivity.
- 84-813720A4, 84-816761Q4, 84-816761K 4, 84-813720A3, 84-816761Q3, 84-816608Q61, 84-813720A, 84-816761Q4
- 9-28001, 9-28002
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