10% off Product Description Dependable performance. This ChampionA(R) spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. Champion Copper Plus Marine 833M Racing Spark Plug at OMCgear Browse all OMCgear deals $8.09 $8.99 10% Discount You save $0.90 In Stock at OMCgear Price verified 1d ago Buy Now at OMCgear Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Champion Champion