NGK 1049 B8EFS Standard Spark Plug, 14mm Thread, Tapered Seat, Heat Range 8

The NGK 1049 (B8EFS) Standard Spark Plug is a copper core, non-resistor replacement spark plug built to NGK's original equipment standards. NGK is a major OE spark plug supplier, and the Standard Series is designed for dependable stock-replacement ignition performance in a wide range of automotive, motorcycle, marine and small engine applications.

Key Features:

• Copper core: improves heat dissipation and conductivity across a wide heat range
• Cold-rolled threads: help prevent cross-threading and cylinder head damage
• Trivalent metal plating: resists corrosion and seizing for easier installation and removal
• Ceramic insulator: gives strength and good heat transfer
• Triple seals: help prevent combustion leakage
• Corrugated insulator ribs: help prevent flashover

Specifications:

• NGK stock number: 1049
• NGK part number: B8EFS
• UPC: 087295110492
• Thread size: M14 x 1.25 (14 mm)
• Seat type: Tapered (no gasket)
• Hex / wrench size: 5/8 in. (16 mm)
• NGK heat range: 8
• Pre-set gap: 0.028 in. (0.7 mm)
• Resistor: No (non-resistor)
• Center electrode: Nickel, non-projected, with copper core
• Ground electrode: Single, nickel
• Terminal: Removable nut

Check the gap against your engine's specification before installation. Because this is a non-resistor plug, use an NGK resistor (R) equivalent if your application calls for one.