Product Overview
NGK CR9EK Standard Spark Plug

Ensure smooth, reliable starts and peak performance for your marine engine with the NGK CR9EK Standard Spark Plug. This high-quality spark plug is engineered for optimal combustion, providing improved fuel efficiency and reduced emissions. Built to withstand the harsh marine environment, the CR9EK resists corrosion and delivers consistent ignition power, keeping you on the water longer and worry-free.
Key Features
- **Multi-Ground Electrodes:** Enhanced ignition capabilities and less susceptibility to voltage fluctuations, ensuring reliable starts even in challenging conditions.
- **Nickel Center and Ground Electrodes:** Durable construction for extended lifespan and consistent performance.
- **Resistor Suppression:** 5k Ohm resistor prevents interference with onboard electronics, keeping your systems running smoothly.
- **Superior Heat Transfer:** Pure alumina silicate ceramic insulator and copper core efficiently dissipate heat, preventing overheating and extending plug life.
- **Triple Seals:** Prevents leakage and ensures optimal combustion chamber pressure.
- **Corrugated Ribs:** Prevents flashover for consistent spark delivery.
- **Precise Gap:** Pre-gapped at .028" (0.7mm) for optimal performance right out of the box.
- **Heat Range 9:** Ideal for many marine applications, providing a balance of performance and longevity.
What's in the Box
- 2 x NGK CR9EK Standard Spark Plugs
Specifications
The Captain's Take
As a seasoned captain, I know reliable engine performance is paramount. The NGK CR9EK is my go-to spark plug. Its consistent firing and durability give me peace of mind, knowing my engine will start strong and run smoothly, even after extended use. I highly recommend these plugs for any boater looking for dependable performance and long-lasting value.