Spark Plugs

For longer life and optimum performance, use the new BR9HS spark plug 86-4522. The superior construction for serious power with its 98% pure copper core increases heat dissipation for more reliable starts and manages spark plug from overheating. It has...

Different spark plugs depend on the engine cylinder, but they are different in performance. Choose a product that is highly recommended by many to avoid pre-ignition and detonation and might cause expensive engine damage. The TR4 Spark Plugs from...

The BR9ES SPARK PLUG (86-3194) is made genuine OEM. It has 14mm thread, 12.7mm reach, flat seat type, 21mm hex size, projected tip configuration, and removable terminal type. If your boat's spark plugs may be failing or in poor condition, this spark plug...

A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines and uses an electric spark to ignite compressed aerosol gasoline. A substantially insulated wire connects a spark plug's insulated center electrode...

The BPR6HS Spark Plugs (86-7022) offer improved ignitability, throttle response, and anti-fouling properties. The tiny Iridium tip is laser-welded for long-term endurance and a steady spark, while the tapered ground electrode reduces the effects of...

The DR6HS SPARK PLUG (86-4823) is made with corrosion-resistant plating to ensure ease of installation and removal. It features a five-rib insulator design to prevent flashover. It is also made with a three-step trivalent plating process that utilizes...

This C7HSA SPARK PLUG (NGK) (86-4629)is a performance spark plug with a nickel electrode material that provides smooth, reliable starts. This is a Standard NGK nickel spark plug that features a specially designed v-groove center electrode, improving...

The DR5HS SPARK PLUG (86-4623) is a high-quality alumina silicate ceramic insulator with excellent strength and thermal expansion. It is composed of 98% pure copper core that improves heat dissipation and avoids spark plug overheating for more reliable...

Sparkplugs are such tiny components but play a significant role in your motor. If the sparkplugs have not been cleaned or replaced you could end up with a vehicle that has difficulty starting in the morning, doesn’t accelerate properly, or has other...

BPR8ES Spark Plug (86-3923), these standard plugs are engineered for maximum durability and performance. The BPR8ES's spark plugs anticipated firing end will extend farther into the combustion chamber. From the side, the insulator overhangs the shell. As...

NGK Spark Plugs (U.S.A.), Inc. is a global leader in the development of spark plugs and oxygen sensors. From its inception in 1936 to the present day, the NGK product line exemplifies the company's commitment to innovation, performance, and quality. NGK...

If you had difficulty starting the engine, lost engine power, or experienced decreased acceleration, your boat's spark plugs may be failing or in poor condition. Invest in a high-quality spark plug to improve the performance of your boat. The BPR7HS-10...