NGK Spark Plug #6630/04, SKU 2-UR4

Featuring a 98% pure copper core and high-grade alumina silicate ceramic for improved throttle response, service life and performance.

The NGK Spark Plug #6630/04, SKU 2-UR4, features a 98% pure copper core and high-grade alumina silicate ceramic. This construction is designed to support improved throttle response, service life, and performance.

Additional features include cold-rolled threads, trivalent plating, and specialized ground electrode designs. The NGK #6630/04 provides a purpose-built spark plug option for applications requiring these specified design features.

Features:

• 98% pure copper core supports improved throttle response, service life, and performance
• High-grade alumina silicate ceramic
• Cold-rolled threads
• Trivalent plating
• Specialized ground electrode designs