ACDelco Specialty Marine Spark Plugs are great everyday replacement plugs designed for reliability and efficient performance in jet boats, inboards, outboards, and personal watercraft. They can maintain stable operating temperatures under varying loads. The high-quality copper core and outstanding suppression characteristics deliver reliable performance.
Put ACDelco quality into non-automotive engines with our Specialty series of high-quality spark plugs. ACDelco Specialty Non-Automotive spark plugs are designed to efficiently ignite the fuel/air mixture in non-automotive engines and will fit a variety of motorized equipment from personal watercraft to snow blowers. Built to handle the harsh environments associated with specialty uses, ACDelco Specialty Non-Automotive spark plugs are the perfect choice when performance matters.
Black Onyx Coating helps prevent corrosion
The thermal properties of copper provide great heat transfer and increases plug durability
Ribbed Suppressor Seal, which extends resistance and prevents spark ‘flash over’ and misfire
Nickel-chrome alloy sheathing to help prevent corrosion on center electrode
SpecificationsSpark Plug Thread Size: 10mm
Spark Plug Reach: 0.250″
Spark Plug Reach: 6.35 mm
Center Electrode Type: Non-projected