Bosch YR7SES Copper Core Spark Plug with Nickel Plating

The Bosch YR7SES is a high-quality copper core spark plug featuring nickel-plated electrodes for reliable ignition performance. Designed for a wide range of small engines and powersports applications, this spark plug delivers consistent firing and efficient combustion.

Key Features:

• Copper core electrode for superior heat dissipation and conductivity
• Nickel-plated shell and threads resist corrosion and ensure easy installation
• Precision-engineered electrode gap for optimal spark delivery
• Reliable cold-start performance in various operating conditions
• Direct replacement for OE specifications

This single-pack spark plug is engineered to Bosch's exacting standards, providing dependable ignition for motorcycles, ATVs, lawn equipment, and other small engine applications. The copper core construction ensures excellent thermal conductivity to prevent overheating while maintaining consistent performance throughout the plug's service life.