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• Ngk marine spark plug chart full#

Increased fuel economy and lower emissions.

Trivalent Metal Plating has superior anti-corrosion and anti-seizing properties.Greater ignitability and performance over conventional spark plugs.Lowers ignition system voltage requirements.As a result of our superior quality, you'll have confidence knowing you have the World Leader in spark plug technology firing your way to victory.Įconomical performance and improved ignitability over standard NGK Spark Plugs original equipment manufacturer and racer approved. NGK Spark Plugs have become an icon in spark plug technology. 708" reach, 13/16" hex, gasketįor many years NGK Spark Plugs have been firing racing engines throughout the world. 750" reach, 13/16" hex, gasketĪutolite 14mm thread. 460" reach, 5/8" hex, taperedĪutolite 14mm thread. Autolite features an extensive application guide to cover just about everything with an internal combustion engine.Īutolite 14mm thread.

Ngk marine spark plug chart full#

This ensures full voltage at the spark gap and a 100 percent leakproof, gas-tight seal.

Autolite copper core spark plugs use a copper-glass seal that bonds the insulator and terminal post center electrode together. The Autolite copper core spark plugs feature a cold-formed steel shell with precision-rolled threads, a full copper core electrode to provide better performance, and a one-piece terminal post to add strength. Most cast iron cylinder heads use tapered spark plug while most aluminum heads use a gasket style plug.Ĭlick on the part number to check pricing or place an order. Note: cold plugs work best in supercharged applications and warmer plugs in general performance uses. Racing plugs design ensures optimum mix ignition, now you can improve economy, reduce harmful exhaust emissions and maximize engine horsepower. Misfires are now controlled and racing plugs will allow you to have steadily high levels of improved acceleration & throttle response. If you need utmost ignition performance and spark voltage at unparalleled levels don't miss the chance to purchase our racing plugs.