2015 Ford Focus Spark Plugs

Racing Resistor Spark Plug is expertly crafted to deliver peak performance on the track, featuring a cut-back ground electrode for optimal ignitability and enhanced heat transfer, ensuring quicker starts and maximum engine efficiency. Its yttrium-enhanced alloy reduces ground wire temperature by up to 8%, making it ideal for colder heat ranges and intense racing conditions. The anti-corrosive nickel plating resists rust better than black oxide, maintaining durability and long-term efficiency. Designed with a high alumina multi-rib ceramic insulator, it offers superior thermal conductivity and insulation, preventing flash-over while increasing strength. The tapered seat type ensures optimal performance across various racing venues, including oval and road racing, while its durable design is tailored for aftermarket cylinder heads. With a mid-projection nickel center electrode and nickel ground electrode tip, this performance-grade spark plug is built to handle the demands of high-speed racing, delivering reliability and value for serious competitors.

Durability of an OE style plug combined with Power & Torque of high performance.

NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

Autolite Copper spark plugs are designed to provide reliable performance and durability, making them an excellent choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are engineered for extended life, while the mid-projection design optimizes spark delivery. A high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, contributing to superior strength and reliability. The nickel-plated shell resists corrosion, ensuring long-lasting durability even in demanding conditions. With a tapered seat type and integrated resistor, these spark plugs are built to meet performance expectations, delivering quick starts and the power your vehicle needs.

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.

Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, better acceleration, and enhanced fuel efficiency. The platinum firing tip prevents gap erosion, extending the service life, while the high alumina ceramic insulator provides excellent thermal conductivity and insulation for added strength. Designed with a long projection standard center electrode and a nickel-plated shell, these spark plugs resist corrosion and deliver extended durability. The multi-rib insulator prevents flash-over, ensuring reliable operation, and the tapered seat type offers a secure fit. With a performance-grade design and a nickel ground electrode tip, these spark plugs are built to meet the demands of high-performance engines while maintaining consistent reliability.

The Double Platinum Spark Plug is engineered for exceptional durability and performance, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. Its yttrium-enhanced ground electrode delivers superior heat transfer, providing unmatched durability under high temperatures and pressure. The high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. With a mid-projection center electrode and tapered seat type, this performance-grade spark plug is designed to meet demanding engine requirements. Both the center and ground electrode tips are crafted from platinum, ensuring consistent ignition and enhanced efficiency. Whether you’re seeking improved durability or superior performance, this spark plug delivers value and reliability for your engine’s needs.

ACDelco Professional Double Platinum Spark Plugs are premium aftermarket plugs, and are a high quality replacement for many vehicles on the road today. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.

NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Autolite Iridium Ultra Laser Fine wire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.

Champion Platinum Power spark plugs deliver powerful performance with the exclusive Premium alloy that reaches and sustains the correct operating temperature. A fine-wire center electrode and V-trimmed ground electrode provides sharp spark focus and reliable ignition for consistent combustion under demanding conditions. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.

Durability of an OE style plug combined with Power & Torque of high performance.

The Iridium Power Spark Plug, featuring the world’s smallest 0.4mm Iridium Center Electrode, delivers unmatched spark energy for maximum combustion efficiency. Engineered with a patented 360-degree laser welding assembly process, it ensures durability and precision under extreme conditions. The U-groove and taper-cut ground electrode design optimizes flame propagation, enhancing horsepower, fuel efficiency, and overall engine performance. With the ability to withstand temperatures exceeding 4000 Deg F and burnished nickel plating for superior corrosion resistance, this spark plug is built for longevity. Requiring 5,000 volts less to fire compared to conventional plugs, it guarantees reliable starts, fewer misfires under heavy loads, and consistent performance even in demanding environments. Designed with a tapered seat type for a secure fit, it is compatible with a wide range of vehicles, including classic and collector cars. Experience the superior performance and efficiency of the DENSO Iridium Power Spark Plug, a perfect choice for those seeking enhanced engine power and reliability.

NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

The spark plug with a standard center electrode design and iridium tip material ensures reliable ignition and optimal performance for your engine. Its tapered seat type provides a secure fit, reducing the risk of leaks and enhancing overall efficiency. The ground electrode features platinum tip material, offering superior durability and resistance to wear, making it ideal for long-term use. Designed to deliver consistent combustion and improved fuel efficiency, this spark plug is a valuable upgrade for maintaining peak engine performance. With its high-quality materials and precision engineering, it provides excellent value and dependable functionality for a wide range of vehicles.

Double Platinum Spark Plug: Enhanced Durability & Performance is engineered for exceptional reliability and efficiency, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring consistent performance and extended service life. The yttrium-enhanced ground electrode offers superior heat transfer, allowing the spark plug to withstand high temperatures and pressures for greater durability. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety and reliability. With a mid-projection center electrode and tapered seat type, this performance-grade spark plug delivers precision and compatibility. Both the center and ground electrode tips are crafted from platinum, ensuring long-lasting efficiency and superior ignition performance. Designed to outperform copper and standard platinum plugs, this spark plug is a durable and high-value solution for maintaining peak engine performance.

The Double Platinum Spark Plug is engineered for exceptional durability and performance, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. Its yttrium-enhanced ground electrode delivers superior heat transfer, allowing it to withstand high temperatures and pressures for extended durability. The high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. With a mid-projection center electrode and tapered seat type, this performance-grade spark plug is designed to deliver consistent ignition and efficiency. Both the center and ground electrode tips are crafted from platinum, ensuring robust functionality and reliability. Ideal for those seeking enhanced engine performance and longevity, this spark plug is built to meet the demands of modern engines.

Motorcraft Spark Plugs are engineered to deliver exceptional performance and reliability, making them the ideal choice for Ford, Lincoln, and Mercury vehicles. Designed with platinum center and ground electrode tips, these spark plugs ensure enhanced durability, resistance to oxidation, and arc erosion, while optimizing emissions and reducing fuel consumption. The tapered seat type guarantees an exact fit, eliminating misfires and providing smooth engine operation. With service intervals of up to 100,000 miles, these spark plugs are built to last, offering long-term value and confidence. Featuring a multi-rib insulator for added protection against misfires and backed by Motorcraft’s Service Parts Warranty, they are crafted from high-quality materials to meet strict Ford engineering standards. Whether you’re maintaining your original equipment or upgrading for reliable performance, Motorcraft Spark Plugs are the trusted solution to keep your vehicle running efficiently while preventing false check engine lights.

The U-Groove Spark Plug with its patented U-groove ground electrode design ensures superior ignitability, allowing your engine to fire leaner mixtures for enhanced efficiency and performance. Built with a durable nickel center electrode tip, it delivers long-lasting performance while improving fuel consumption and emission gas purification. Precision machine-rolled threads minimize the risk of seizing or cross-threading, making it ideal for use in delicate aluminum heads. Designed to last twice as long as most conventional plugs, this spark plug is 100% pre-fired to guarantee reliable operation from the start. Its tapered seat type ensures a secure fit, and with a wide range of part numbers available, its compatible with thousands of applications, including classic and collector cars. Whether you’re maintaining a daily driver or restoring a vintage vehicle, this spark plug offers OE performance and exceptional value.

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Durability of an OE style plug combined with Power & Torque of high performance.

The Iridium Spark Plug is engineered for superior ignition performance and fuel efficiency. Featuring a standard center electrode design with an iridium tip, it ensures exceptional durability and reliable spark delivery under demanding conditions. The ground electrode is crafted with platinum, further enhancing conductivity and longevity. Its tapered seat type provides a secure fit, reducing the risk of gas leakage and ensuring optimal combustion. This spark plug is designed to deliver consistent performance, improve engine responsiveness, and contribute to better fuel economy. Built with high-quality materials, it offers long-lasting reliability, making it an excellent choice for maintaining peak engine performance.

The Double Platinum Spark Plug is engineered to meet the highest OE standards for performance, durability, and emissions compliance. Featuring OE-grade platinum on both the center and ground electrodes, it ensures superior thermal conductivity and sustained spark performance for over 60,000 miles. Its premium shell construction with machine-rolled threads enhances durability and provides a secure fit, while the tapered seat type ensures optimal sealing. Designed to reduce secondary required voltage, this spark plug increases ignition efficiency, delivering reliable performance and reducing the likelihood of shop comebacks. With its double platinum design, it offers exceptional longevity and consistent ignition, making it a dependable choice for maintaining your vehicle’s peak performance.