The DCPR8E SPARK PLUG (86-4339) is a high-quality engine spark plug that has proven its exceptional dependability and durability performance throughout the years. It is a component that fits into an internal-combustion engine's cylinder head. The Autowares spark plug provides greater conductivity and heat regulation for improved overall wear. Key Features: Top-quality Standard spark plug 100% Brand new and made with the highest quality materials Built to ISO and SAE standards for established performance Trivalent metal plating offers optimal anti-corrosion and anti-seizing properties Corrugated ribs protect flashover Pure alumina silicate ceramic insulator, offers enhanced strength and better heat transfer The copper core aids with heat dissipation. Triple seals help stop leakage Corrosion-resistant It has been proven to be quite dependable throughout the manufacturing process. It features a stylish design, great performance quality, durability, and dependability. Approved marine-grade product Specifications: Brand: Autowares Condition: Brand New Item Number: 86-4339 Weight: 0.15 LBS Product dimensions: 3.31 x 1 x 1 inches Note: For marine applications