Enhance the performance of your Suzuki Swift or Volkswagen Eurovan with this set of 4 Splitfire SF6C copper spark plugs, specifically designed to improve your vehicle’s ignition system. These vintage parts are compatible with an extensive list of interchange part numbers such as W20EPR-U, 9FYSSR, IW20, EON5, LR15TC, and many more. Crafted with 14mm thread diameter and a 13/16 inch hex size, the Splitfire SF6C spark plugs ensure easy installation with a depth of .75 inches. Made in the United States with high-quality copper material, these spark plugs are perfect for gasoline-fueled engines and provide optimum performance. Upgrade your vehicle’s ignition system with this set of Splitfire SF6C spark plugs and experience a smoother ride.