Best Spark Electrode

Autolite 3924 Copper Resistor Automotive Replacement Spark Plugs (4 Pack)

MAXIMUM PERFORMANCE: Every Copper Spark Plug has a full copper core electrode which provides higher thermal conductivity for better performance in all conditions.
IMPROVED DURABILITY: All Autolite spark plugs are Leak proof and come with a heat fused internal seal for long lasting durability.
CONSTRUCTION: These replacement spark plugs have a copper-glass seal which bonds the insulator and the terminal post center electrode together.
FUEL EFFICIENCY: The Autolite copper automotive replacement spark plug are guaranteed to deliver quick starts, better fuel economy and smooth acceleration.
AUTOLITE ADVANTAGE: Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on our copper plugs for performance and value, backed by decades of experience and passion.

MAXIMUM PERFORMANCE: Every Copper Spark Plug has a full copper core electrode which provides higher thermal conductivity for better performance in all conditions.
IMPROVED DURABILITY: All Autolite spark plugs are Leak proof and come with a heat fused internal seal for long lasting durability.
CONSTRUCTION: These replacement spark plugs have a copper-glass seal which bonds the insulator and the terminal post center electrode together.
FUEL EFFICIENCY: The Autolite copper automotive replacement spark plug are guaranteed to deliver quick starts, better fuel economy and smooth acceleration.
AUTOLITE ADVANTAGE: Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on our copper plugs for performance and value, backed by decades of experience and passion.

MAXIMUM PERFORMANCE: Every Copper Spark Plug has a full copper core electrode which provides higher thermal conductivity for better performance in all conditions.
IMPROVED DURABILITY: All Autolite spark plugs are Leak proof and come with a heat fused internal seal for long lasting durability.
CONSTRUCTION: These replacement spark plugs have a copper-glass seal which bonds the insulator and the terminal post center electrode together.
FUEL EFFICIENCY: The Autolite copper automotive replacement spark plug are guaranteed to deliver quick starts, better fuel economy and smooth acceleration.
AUTOLITE ADVANTAGE: Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on our copper plugs for performance and value, backed by decades of experience and passion.

NGK BP8HN-10V-Power Spark Plugs feature a “V” cut in the center electrode that helps direct ignition spark to the edge of the electrode to aid spark development and increase ignitability.

The ultimate in spark plug technology and performance.
Iridium electrode is smaller than a standard electrode.
Hotter spark and extended spark plug service life compared to conventional plugs.
Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell.
Sold in pairs and replaces Harley# 6R12 / NGK# DCPR7EIX.

According to the material and type of spark plug, the recommended mileage is different..
Before the operation of the engine is abnormal, it is recommended that you regularly detect and replace spark plugs..
The quick reaction brings you new feeling..
The spark plug is the key to unlock the engine. Multistage electrode Multi electrode design further improves ignition performance and idling stability..

The ultimate in spark plug technology and performance.
Iridium electrode is smaller than a standard electrode.
Hotter spark and extended spark plug service life compared to conventional plugs.
Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell.
Sold in pairs and replaces Harley# 6R12 / NGK# DCPR7EIX.

50 percent longer life than traditional copper core spark plugs.
Exclusive Yttrium extruded copper core center electrode increases resistance to spark erosion.
Tapered, v-profile nickel chromium ground electrode for consistent performance and prolonged service life.

Copper Plus - Dependable Performance and Durability.
Copper core center electrode allows for accurate control of heat range for longer life.
Champion copper plus small engine plugs resist fouling and provide superior corrosion resistance.
Champion copper plus small engine spark plugs feature a copper core electrode that provides increased conductivity and heat control while delivering good overall wear characteristics.
Champion copper plus small engine spark plugs are built by a world leader in small engine spark plugs to deliver proven performance.