NGK 5110 B7HS Spark Plug – 4 Pack, 14mm, Nickel Standard

Meet the NGK 5110 B7HS spark plug, a standard nickel plug designed for dependable ignition across a wide range of 14mm engines. This 4-pack makes routine maintenance and stocking spare parts more convenient, whether you service a single cylinder or a multi-cylinder setup. Built to endure everyday driving and light-duty use, these plugs balance reliability with straightforward installation for DIY enthusiasts and professional technicians alike.

Key specs at a glance

• Includes four B7HS-10 spark plugs
• Thread size: 14 mm
• Thread pitch: 1.25 mm
• Seat type: gasket
• Reach: 12.7 mm (1/2 in)
• Hex size: 13/16 in (21 mm)
• Terminal type: removable nut
• Overall height: ISO
• Gap: 0.039 in (1.0 mm)
• Material: nickel
• Type: standard
• Projection: non-projected

Real-world use and benefits

• Gasket-seated design helps seal for consistent compression during operation
• Nickel construction offers wear resistance for durable, long-term use
• 14 mm thread and 13/16 in hex size align with a broad range of common engines
• Removable terminal nut simplifies wiring replacement and serviceability
• The 4-pack format supports multi-cylinder configurations or spare inventory

To install, ensure the engine is cool, remove the old plug, and thread in the new NGK plug using the proper torque per your engine’s specifications. Maintain the correct gap of 1.0 mm unless your service manual calls for a different setting. A gasket-seat ensures a good seal, and the standard projection keeps the plug compatible with many factory setups.

Whether you are performing routine maintenance, stocking spare parts, or completing a scheduled service, this NGK 5110 B7HS 4-pack offers a widely compatible, standard option that supports reliable ignition and steady engine performance without overpromising results.