1956 Alfa Romeo 1900 Spark Plugs

The Copper Plus Spark Plug (RN4C) is engineered for dependable performance and durability, making it an ideal OE-type replacement for small engines. Featuring a copper core center electrode, it ensures superior conductivity and precise heat control, which translates to longer life and consistent performance. The nickel center electrode tip and flat seat design enhance reliability, while the spark plug’s ability to resist fouling ensures smooth operation over time. Built to ISO and SAE Standards, it offers proven performance and superior corrosion resistance, making it a trusted choice for maintaining engine efficiency. Whether you’re looking for enhanced durability or reliable ignition, this spark plug delivers exceptional value and performance.

Product Features:

• Copper Plus – Dependable Performance and Durability
• OE type replacement plug
• Resists fouling
• Copper core center electrode allows for accurate control of heat range for longer life
• Superior corrosion resistance
• Built to ISO and SAE standards for proven performance
• Enhanced Reliability: Featuring a nickel center electrode tip and flat seat type, this spark plug ensures reliable performance for small engines.

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 delivers dependable performance and durability, making it an ideal OE-type replacement for your vehicle. Featuring a copper core center electrode, it ensures precise heat control for extended lifespan and consistent ignition. The nickel center electrode tip and flat seat design enhance reliability while resisting fouling for smoother operation. Built to ISO and SAE Standards, this spark plug offers superior corrosion resistance, ensuring long-term performance in various driving conditions. Its standard-grade design makes it a perfect fit for maintaining your vehicle’s efficiency without compromise. Whether you’re seeking improved conductivity or reliable ignition, this spark plug is engineered to meet your needs with proven durability and performance.

Product Features:

• Copper Plus – Dependable Performance and Durability
• OE type replacement plug
• Resists fouling
• Copper core center electrode allows for accurate control of heat range for longer life
• Superior corrosion resistance
• Built to ISO and SAE standards for proven performance
• Nickel Center Electrode Tip: Features a durable nickel center electrode tip and a flat seat type, providing consistent and reliable ignition.

Copper Plus spark plug delivers dependable performance and durability, making it an ideal choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, it ensures precise heat control for extended lifespan and consistent wear. The nickel-tipped center and ground electrodes enhance conductivity while resisting fouling, ensuring reliable ignition under various conditions. Designed as an OE-type replacement, this spark plug meets ISO and SAE Standards, guaranteeing proven performance and compatibility with a wide range of vehicles. Its flat seat design and superior corrosion resistance further contribute to its long-lasting reliability. Whether you’re seeking a standard replacement or enhanced durability, this spark plug offers exceptional value and performance for your engine’s needs.

Product Features:

• Resists fouling
• Superior corrosion resistance
• Dependable and proven performance
• Increased conductivity and heat control for good overall wear