NGK Spark Plug BPR7ES – Standard 🔥⚙️

This is clean ignition done the right way. The NGK BPR7ES is built for consistent spark, controlled heat, and long-term reliability—no misfires, no drama, just smooth combustion every time it lights. Precision-built with corrosion resistance and solid heat control, it’s a trusted choice for watercraft engines that demand dependable fire in wet, high-load conditions.

The Breakdown
🔥 Reliable Spark Performance – Resistor-style plug delivers stable ignition and reduced electrical noise
🧱 Pure Alumina Ceramic Insulator – High strength with excellent heat transfer to prevent overheating
🛡️ Trivalent Metal Plating – Superior resistance to corrosion and thread seizing
🔒 Triple-Seal Construction – Prevents compression leakage under real-world use
⚡ Copper Core Center Electrode – Pulls heat away fast for consistent performance
🧠 Nickel Alloy Electrode Tip – Durable, dependable, and made for long service life
🔩 Threaded Stud Terminal – Secure connection for standard ignition systems
🏍️ Proven Specs – Heat range 7 with a 0.8 mm (0.031") preset gap

This is a standard NGK resistor spark plug with a 19.1 mm thread reach, 20.6 mm hex size, non-projected center electrode, single ground electrode, and 5k ohm resistance—engineered to fire clean and stay stable in demanding marine environments.

Fitment
1996–1998 Polaris SL 700 Deluxe
1994–1995 Polaris SL 650
1994–1995 Polaris SL 750

If your engine calls for a BPR7ES, this is the plug that keeps it lighting clean and running strong on the water.