NGK Spark Plug Stock # 1098

The NGK Spark Plug Stock # 1098 (BR7HS-10) is the go-to choice for mechanics and automotive enthusiasts who demand reliable ignition performance in their daily drivers and modified builds. This standard-heat-range spark plug is engineered to handle stock and lightly tuned engine applications where consistent combustion timing is critical. Whether you're maintaining a fleet of vehicles or refreshing spark plugs on a weekend project, this NGK offering delivers the dependable spark that professionals trust across countless engine platforms.

NGK's proven ceramic insulator design and nickel-alloy electrodes ensure a hot, consistent spark across the full operating range, from cold starts to sustained highway cruising. The BR7HS-10 utilizes a standard 14mm thread pitch, making it a direct fit for thousands of four-cylinder and V-engine applications where OEM or mild performance modifications are in place. The compact 0.85-inch diameter and 3.45-inch length allow hassle-free installation in tight engine bays, while the precise gap specification guarantees optimal combustion efficiency and fuel economy without requiring gap adjustment out of the box.

This spark plug excels in stock and mildly boosted naturally aspirated engines where heat range stability matters—ideal for daily commuters, light truck duty, and street-driven vehicles. Mechanics appreciate the NGK spark plug's straightforward installation and long service intervals, reducing downtime and maintenance costs. Before installation, verify your vehicle's spark plug specification against the BR7HS-10 compatibility; while widely compatible, some late-model and high-performance engines may require different heat ranges or threading.