Lexus IS300 Spark Plugs

The Iridium Power Spark Plug is engineered for the most demanding automotive enthusiasts, delivering no-compromise performance and reliability. Featuring a patented U-groove ground electrode design, it ensures efficient ignition even with leaner fuel mixtures, outperforming conventional plugs. Its iridium center electrode tip offers exceptional durability, withstanding extreme temperatures exceeding 4000 Deg F and lasting twice as long as standard plugs. Precision machine-rolled threads minimize the risk of seizing or cross-threading, making it ideal for delicate aluminum heads. With a flat seat type and a wide range of part numbers, this spark plug is compatible with thousands of applications, including classic and collector cars. Whether you’re on the track or the road, this top-of-the-line spark plug delivers unmatched performance and longevity, making it a valuable upgrade for any serious driver.

Product Features:

• World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
• Patented 360-degree laser welding assembly process
• U-groove and taper cut ground electrode to maximize flame propagation.
• Withstands temperatures greater than 4000 degree Fahrenheit
• Burnished nickel plating for high temperature endurance and superior corrosion resistance
• Wide range of part numbers for thousands of applications, including classic and collector cars
• Iridium Power
• Superior Performance: Engineered for maximum performance under extreme conditions, this spark plug delivers more horsepower, faster and easier starts, and fewer misfires under heavy loads.
• Enhanced Fuel Efficiency: Thanks to its advanced design and patented technology, the Iridium Power plug improves fuel efficiency, making it an economical choice for your vehicle.
• Low Voltage Requirement: The DENSO Iridium Power spark plug requires 5,000 volts less to fire compared to conventional spark plugs, ensuring reliable ignition with lower energy consumption.
• Durable Iridium Material: Constructed with a durable iridium center electrode tip and a flat seat type, this spark plug offers long-lasting performance and reliability.

The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.68 is a 14mm, 1.000 reach plug with a gasket seat. It fits a wide variety of late model applications, especially Hemi applications. E3.68 is widely stocked in automotive retail stores. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.

Product Features:

• E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
• Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
• Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
• Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
• E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
• The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
• Wide Compatibility: E3.68 spark plugs are 14mm with a 1.000 reach and a gasket seat, fitting a wide variety of late model applications, especially Hemi engines.
• Enhanced Heat Transfer: The three legs securing the Diamond FIRE electrode to the shell ensure excellent heat transfer and create more turbulence in the cylinder for better combustion.
• Widely Available: E3.68 spark plugs are widely stocked in automotive retail stores, making them easily accessible for consumers.

The Champion Iridium spark plug is engineered for maximum performance and durability, making it an essential upgrade for your vehicle. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, it delivers exceptional ignitability and a sharper spark focus for improved engine efficiency. The V-trimmed ground electrode ensures consistent performance, while the Heat-Active alloy allows the electrodes to quickly reach and maintain optimal operating temperatures under all engine loads. Designed with a flat seat type for secure installation and equipped with a built-in resistor, this premium spark plug ensures reliable operation and peak performance. Whether you’re looking to enhance your vehicle’s power or extend its lifespan, the Champion Iridium spark plug offers the perfect balance of advanced technology and long-lasting quality.

Product Features:

• Champion Iridium – Maximum Performance. Premium Spark Plug
• Iridium center electrode delivers maximum life
• Fine-wire center electrode and V-trimmed for greater ignitability
• V-trimmed ground electrode promotes sharper spark focus
• Maintains stable operating temperature under all engine loads
• Heat-Active alloy allows electrodes to reach optimal temperature quickly
• Flat Seat Type: Designed with a flat seat type for secure and reliable installation.
• Built-in Resistor: Includes a resistor to ensure maximum performance and reliability.

The Autolite Platinum spark plug is a high-performance solution designed to enhance your engine’s efficiency and longevity. Featuring a platinum center electrode firing tip, it ensures quicker firing, smoother starts, and improved fuel efficiency while resisting gap erosion for an extended service life. Its high alumina ceramic insulator provides excellent thermal conductivity and superior insulation, boosting overall strength and reliability. The multi-rib insulator design prevents flash-over, while the nickel-plated shell offers exceptional corrosion resistance, ensuring durability even in demanding conditions. With a mid-projection standard center electrode and a flat seat type, this spark plug is tailored for optimal performance in older engine designs. The combination of a platinum tip and nickel ground electrode makes it a dependable choice for those seeking enhanced acceleration and long-lasting performance. Whether you’re maintaining or upgrading, this performance-grade spark plug delivers exceptional value and reliability.

Product Features:

• Engineered with a platinum firing tip that prevents gap erosion for longer service life.
• Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
• The multi-rib insulator prevents flash-over.
• Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
• Incorporates a mid-projection center electrode and flat seat type, optimizing compatibility and performance in older engine designs.

ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:

• Black Onyx coating helps reduce corrosion
• Copper core provides great heat transfer and helps maximize plug durability
• Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
• Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
• Available for use in Marine applications
• Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
• ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies

Champion Platinum Power spark plugs are engineered for premium performance and durability, making them an excellent choice for maintaining your vehicle’s peak efficiency. Featuring a platinum-tipped center electrode, these spark plugs ensure long-lasting reliability and resist wear, maintaining the proper gap specification throughout their lifespan. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for improved combustion. Constructed with an exclusive Heat-Active alloy, these plugs quickly reach and maintain optimal operating temperatures, ensuring consistent performance under various driving conditions. Designed with a flat seat type and integrated resistor, they deliver smooth operation and compatibility with a wide range of vehicles. Upgrade to Champion Platinum Power spark plugs for a blend of cutting-edge technology and dependable performance.

Product Features:

• Platinum Power- Premium Spark Plug. Powerful Performance.
• Platinum center electrode for long life
• Fine-wire center electrode for greater ignitability
• V-trimmed ground electrode promotes sharper spark focus
• Heat-Active alloy allows electrodes to reach optimal temperature
• Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug

Iridium Spark Plug delivers unmatched performance and durability for the most serious automotive enthusiasts. Engineered to meet the strictest OE standards for emissions, durability, and functionality, this spark plug is a no-compromise solution for high-performance applications. Its patented U-groove ground electrode design ensures efficient firing of leaner fuel mixtures, enhancing engine efficiency and power. Precision machine-rolled threads minimize the risk of seizing or cross-threading, making installation seamless even in delicate aluminum heads. Built with an iridium center electrode tip, it withstands extreme temperatures exceeding 4000 degrees Fahrenheit, ensuring reliability under the most demanding conditions. Designed to last twice as long as conventional plugs, it offers exceptional value and longevity. With a wide range of part numbers available, this spark plug is compatible with thousands of applications, including classic and collector cars, making it a versatile choice for enthusiasts seeking top-tier performance and durability.

Product Features:

• No-compromise, top of the line race spark plug for the most serious enthusiast.
• Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
• Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
• Wide range of part numbers for thousands of applications, including classic and collector cars
• Lasts twice as long as most conventional plugs
• Withstands temperatures greater than 4000 degree Fahrenheit

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.

Product Features:

• Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
• A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
• Nickel-plated shell to resist corrosion.
• High-alumina ceramic insulator for increased strength.
• Laser welded 0.5mm Iridium finewire center electrode.
• Proprietary platinum sidewire technology.

Champion Iridium spark plug is engineered for peak performance and durability, featuring a fine-wire iridium center electrode laser-locked for precision and a platinum ground electrode for extended life. Designed to maintain stable operating temperatures under all engine loads, this plug ensures consistent ignition and optimal engine performance, regardless of engine type or ignition system. Its iridium-platinum combination delivers unmatched reliability and sharp spark focus, making it ideal for high-performance applications. With a flat seat type and integrated resistor, this spark plug is built to handle demanding conditions while maximizing efficiency and longevity. Perfect for drivers seeking superior ignition technology and lasting value.

Product Features:

• Fine-wire iridium center electrode laser-locked to center electrode
• Platinum ground to ensure high performance and long life
• Maintains stable operating temperature under all engine loads
• Greatest engine performance regardless of engine type or ignition system
• Integrated resistor design enhances efficiency and durability under demanding conditions.

Autolite Copper spark plugs are crafted to ensure reliable performance and durability for your vehicle or application. 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 designed for extended life, while the mid-projection center electrode enhances ignition efficiency. Built with a high alumina multi-rib ceramic insulator, these plugs offer superior thermal conductivity and insulation, boosting strength and reliability. The nickel-plated shell provides exceptional corrosion resistance, making them ideal for long-term use. With a flat seat type and integrated resistor, these spark plugs deliver quick starts and meet performance expectations, offering great value for regular-grade applications.

Product Features:

• The copper core center electrode aids in thermal control and improves resistance to fouling.
• Its specially engineered high nickel alloy center and ground electrode provides extended life.
• The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
• Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
• The integrated resistor ensures quick starts and optimized performance, making it a reliable choice for regular-grade applications.

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 improved fuel efficiency. The platinum firing tip resists gap erosion, extending service life, while the high alumina ceramic insulator enhances thermal conductivity and insulation for added strength. A multi-rib insulator prevents flash-over, and the nickel-plated shell offers exceptional corrosion resistance for long-lasting durability. Designed with a mid-projection standard center electrode and nickel ground electrode tip, these spark plugs deliver reliable performance under demanding conditions. Engineered in the USA with over a century of expertise and backed by the sale of over 11 billion plugs, Autolite Platinum spark plugs are a trusted choice for drivers seeking enhanced engine efficiency and durability.

Product Features:

• Engineered with a platinum firing tip that prevents gap erosion for longer service life.
• Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
• The multi-rib insulator prevents flash-over.
• Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
• Engineered in the USA: Backed by over 100 years of engineering expertise and over 11 billion plugs sold.

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.

Product Features:

• 0.6 mm finewire design improves ignitability
• Patented V-trimmed platinum sidewire technology resists wear
• OE equivalent design is engineered for every engine
• Designed for better overall durability with virtually no gap erosion
• Double Iridium-enhanced alloy center electrode ensures superior wear resistance for extended performance life.

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered and manufactured specifically for the repair environment
• Unsurpassed quality you can trust
• Validated for fit, form, and function