NGK 7788 Pack of 10 Spark Plugs BPR9ES | Nickel/Copper, Pre-Gap 0.028 in, OE-Quality

NGK 7788 Pack of 10 Spark Plugs, Model BPR9ES

Upgrade your engine’s ignition with the NGK 7788 pack, featuring 10 BPR9ES spark plugs. Designed around a nickel/copper center core and a nickel ground electrode, these plugs are crafted for dependable performance in OE-style applications. The pre-gap is set at 0.028 inches (0.7 mm), helping you install them with minimal setup while maintaining a consistent gap for reliable ignition across a variety of conditions. This pack is built to stand up to regular engine cycles, from cold starts to steady highway runs, offering a balance of durability and efficiency that many owners value in OEM replacements.

Key Features and Benefits

• Core design: Solid copper center core paired with a nickel ground electrode for efficient heat transfer and steady operation.
• Pre-gap and fit: Pre-gap size of 0.028 in (0.7 mm) aligned for quick installation and consistent performance across compatible engines.
• Heat range and ignition: Manufacturer heat range 9 supports reliable combustion and helps resist fouling under normal driving conditions.
• Resistor type and sealing: Resistor-equipped for noise suppression and smoother electrical performance; crush washer included for a secure seal against combustion gas leakage.
• OE-oriented design: Standard ground configuration (J-Gap) and 13/16 in hex simplify installation and service in many OEM replacement scenarios.

• Vehicle coverage: Listed compatibility includes multiple Arctic Cat, Yamaha, Polaris models and related OE equivalencies. Please verify fitment with your vehicle’s owner manual or NGK data before purchasing.
• Durability cues: Trivalent metal plating helps resist corrosion and seize, while the ceramic insulator supports solid dielectric performance under load.

While this bundle offers a ready-to-install solution with a proven NGK design, it is not a guarantee for every model. Always confirm the correct part number and fitment with the vehicle manufacturer or NGK directly before purchasing. The packaging reflects NGK’s long-standing approach to OE-quality ignition parts, aimed at dependable, consistent performance over time.

Usage Scenarios

• Routine maintenance: quick replacement when current plugs show wear or fouling signs.
• Performance restoration: restoring predictable starts and steady idle by preserving intended combustion characteristics.
• Fleet or multi-vehicle use: convenient bulk pack to stock replacement plugs for consistent service intervals.

For best results, follow your vehicle’s service intervals and consult the owner’s manual or NGK’s fitment data to ensure the BPR9ES plugs are appropriate for your engine configuration.