Marine Spark Plug Wire Set for Mercruiser V8 Thunderbolt or Delco EST Replaces 84-816608Q61
Marine Spark Plug Wire Set for Mercruiser V8 ThunderboltReplaces Mercruiser 84-816608Q61.Fits all small block (5.0-5.7L) and big block (7.4)L engines with Thunderbolt ignition except for the 454 Hi Performance.Also will fit Delco EST V8 systems!8mm premium wires with stainless steel core.Wire color may vary.