Often specified as original equipment, NGK spark plugs offer the best combination of performance and longevity, with the quality, reliability, and durability expected from an OEM manufacturer. NGK is the world’s largest supplier of OEM spark plugs. Research your vehicle’s application before purchase to confirm fitment (engine, drivetrain, and quantity needed). This listing is for 8 spark plugs.
90-degree elbow resistor spark plug cap, 5K ohm resistance, waterproof; fits 10mm and 12mm plug threads.
Genuine OEM NGK Iridium IX replacement spark plug, part number 3521; pack of 4.
G-Power Platinum spark plug designed to operate over a wider heat range than ordinary plugs; resists carbon buildup and pre-ignition. Pack of 8.
Dependable nickel electrodes for cars, marine, and small engines. 20,000-30,000 mile reliable ignition.