LKAR7C-9 93961 Nickel Copper Spark Plugs | Set of 4 or Set of 8 | Fits Mercury 4.6L Racing 250R 300R and 450R Outboard Engines (4)

The NGK LKAR7C-9 93961 Nickel Copper Spark Plugs are specifically engineered for Mercury 4.6L Racing, 250R, 300R, and 450R outboard engines, offering exceptional ignition performance, extended durability, and improved fuel efficiency. This product is available in two convenient options: Set of 4 – Ideal for partial engine servicing or staggered maintenance schedules. Set of 8 – Recommended for a complete spark plug replacement, ensuring all cylinders receive fresh ignition components for maximum performance. Designed with a nickel copper core, these spark plugs enhance combustion efficiency, reduce misfires, and optimize throttle response. The trivalent metal plating provides superior anti-corrosion and anti-seizing properties, making these spark plugs perfect for harsh marine environments. Pre-gapped and engineered to meet OEM specifications, the NGK LKAR7C-9 93961 spark plugs offer a precise fit, smooth idle, and reliable starts, making them the top choice for boat owners, marine mechanics, and performance enthusiasts.

• Genuine NGK LKAR7C-9 93961 Spark Plugs – Designed for high-performance ignition, fuel efficiency, and long engine life in marine applications.
• Available in Set of 4 or Set of 8 – Choose the right quantity based on your maintenance needs, whether replacing half or all spark plugs in your Mercury outboard engine.
• Nickel Copper Core for Reliable Performance – Provides consistent spark, improved throttle response, and reduced misfires in high-output marine engines.
• Anti-Corrosion & Anti-Seizing Technology – Features trivalent metal plating for superior protection in saltwater and freshwater conditions.
• Compatible with Mercury 4.6L Racing Engines – Designed for 250R, 300R, and 450R outboard motors, ensuring optimal combustion and smooth engine operation.