This 8pc Set of NGK 5858 V-Power Spark Plugs is perfect for a Inboard Marine performance upgrade or tune-up. NGK Spark Plugs

8pcs NGK 5858 V-Power XR4 Inboard Marine Spark Plug Tune Up Kit Set wa


Item Specifics

This listing is for 8 Spark Plugs. Be sure to purchase the correct number of plugs for your vehicle.

NGK Laser Platinum Spark Plugs are the choice of consumers, automotive enthusiasts, street racers and professional race teams around the world. Produced using advanced materials and cutting-edge technology, NGK spark plugs help maximize engine power and operating performance ride after ride.

  • Improved performance over OEM and Standard plugs.
  • High performance operation with a 30,000 mile service life.
  • Advanced V-groove design and high performance Nickel electrode enhances spark development.
  • Economical performance plug for older vehicles.
  • Precision laser-welded electrode construction.
  • Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties.
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Returns and Exchanges


Many of the parts we sell at Sixity only work with specific vehicles. Please double-check the accuracy of your order before purchasing. Check that the reference number, size, and placement are correct. Feel free to contact us with any product or fitment questions.

  • If you receive an item other than the item you purchased, or an item that does not fit a vehicle as advertised, contact us within 30 days and we will ship out the correct item, and send you a prepaid mailing label to ship the original product back to us.
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  • If the item has been installed and/or used, we are unable to accept a return due to safety concerns with used parts.
  • Please refer to our contact page for details on how and where to send a return.

About Sixity


Sixity, Inc. launched in 2006 and is based outside of Sacramento, California. We have a dedicated team of product engineers, technicians, and sales staff to bring you the best possible products for your ATV, motorcycle, snowmobile, car, or truck.

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