1956 Humber Hawk Spark Plugs

ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.

Product Features:

• Black Onyx coating helps reduce corrosion
• Copper core provides great heat transfer and helps maximize plug durability
• Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
• Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
• Available for use in Marine applications
• Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
• Premium aftermarket replacement part
• Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

Autolite Copper spark plugs are expertly crafted to ensure quick starts and reliable performance for your vehicle or application. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, while the high nickel alloy center and ground electrode deliver extended life and durability. The high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, providing superior strength under demanding conditions. With a nickel-plated shell, these spark plugs are corrosion-resistant, ensuring long-lasting durability. Designed to optimize fuel combustion, they improve fuel efficiency, helping you save money at the pump. Additionally, their advanced engineering promotes smoother and more responsive acceleration, enhancing your driving experience. With a standard center electrode design and short projection, these spark plugs are built for regular-grade applications, making them a reliable choice for maintaining peak engine performance.

Product Features:

• The copper core center electrode aids in thermal control and improves resistance to fouling.
• Its specially engineered high nickel alloy center and ground electrode provides extended life.
• The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
• Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
• Good Fuel Economy: Designed to optimize fuel combustion, these spark plugs help improve your vehicle’s fuel efficiency, saving you money at the pump.
• Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.
• Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.

Copper Plus Spark Plug (L90C) delivers dependable performance and durability, making it a trusted choice for maintaining your vehicle’s efficiency. Engineered with a copper core electrode, this spark plug ensures increased conductivity and superior heat control, promoting consistent ignition and optimal engine operation. Its design resists fouling, helping to maintain peak performance over time, while the superior corrosion resistance enhances its longevity even in demanding conditions. Proven to deliver reliable results, this spark plug is tailored for good overall wear, ensuring your engine runs smoothly and efficiently. Whether you’re focused on durability or performance, this spark plug offers exceptional value for keeping your vehicle in top shape.

Product Features:

• Resists fouling
• Superior corrosion resistance
• Dependable and proven performance
• Increased conductivity and heat control for good overall wear
• Promotes consistent ignition for optimal engine operation.