Product Overview
Spark Plug 654

Ignite peak performance in your marine engine with the Champion Spark Plug 654. Engineered for racing and high-performance applications, this spark plug delivers superior ignition, ensuring smooth starts, reliable operation, and maximum power output on the water. Built with durable Nickel GE construction and a copper center electrode, the Spark Plug 654 withstands the harsh marine environment, providing long-lasting performance and reducing the need for frequent replacements. Maximize your boat's potential and experience the Champion difference.
Key Features
- **Racing Performance:** Designed for high-performance and racing marine engines, providing optimal power and throttle response.
- **Reliable Ignition:** Ensures smooth starts and consistent performance, minimizing misfires and maximizing fuel efficiency.
- **Durable Construction:** Nickel GE construction and copper center electrode offer exceptional resistance to wear and corrosion in the demanding marine environment.
- **Precise Engineering:** Features a 0.8mm electrode gap, M10x1.0 thread size, and 19mm thread length for a perfect fit and optimal performance.
- **Easy Installation:** 16mm spanner size simplifies installation and maintenance.
- **Four-Pack Convenience:** Comes in a pack of four, providing excellent value and ensuring you have spares on hand.
- **OE Compatibility:** Replaces OE number G59C-ST, ensuring compatibility with a range of marine engines.
What's in the Box
- 4 x Champion Spark Plug 654
Specifications
The Captain's Take
As a seasoned captain, I demand reliability and performance from my vessel. The Champion Spark Plug 654 delivers both. I've noticed a significant improvement in my engine's responsiveness and overall power since switching. These plugs stand up to the rigors of the sea, providing consistent starts and smooth running even in challenging conditions. I highly recommend the Champion 654 to any boater looking for a top-performing spark plug.