NGK Spark Plug 91909, SKU 2-LMAR8BI-9

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

The NGK Spark Plug 91909, SKU 2-LMAR8BI-9, 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.

Cold-rolled threads help provide consistent thread formation, while trivalent plating contributes to the plug’s durable finish. A specialized ground electrode design completes the performance-focused construction.

Product details include cold-rolled threads, trivalent plating, and specialized ground electrode designs. This spark plug is identified by NGK part number 91909 and SKU 2-LMAR8BI-9.

Features:

• Copper Core: Features a 98% pure copper core.
• Ceramic Insulator: Uses high-grade alumina silicate ceramic.
• Thread Construction: Includes cold-rolled threads.
• Plating: Features trivalent plating.
• Ground Electrode: Includes specialized ground electrode designs.
• Performance Focus: Designed to support improved throttle response, service life, and performance.