Reviews Praseodymium Yttrium Alloy

Bosch (4478) WGR8DQP Platinum +4 Spark Plug, Pack of 1

  • Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance.
  • Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life.
  • Electrode gap is factory set to provide ease of installation - never requires adjustment.
  • Never requires gapping, the electrode gap is factory-set and never requires adjustment.
  • Provides ease of installation - never requires adjustment.
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Bosch 4417 Platinum+4 FGR7DQP spark plug(Pack of 6)

  • Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance.
  • Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life.
  • Electrode gap is factory set to provide ease of installation - never requires adjustment.
  • Never requires gapping, the electrode gap is factory-set and never requires adjustment.
  • Provides ease of installation - never requires adjustment.
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Bosch Automotive (7424) OE Fine Wire Double Platinum Spark Plug - Pack of 10

  • Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance.
  • Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life.
  • Electrode gap is factory set to provide ease of installation - never requires adjustment.
  • Never requires gapping, the electrode gap is factory-set and never requires adjustment.
  • Provides ease of installation - never requires adjustment.
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Autolite AP5325-4PK Platinum Spark Plug, 4 Pack

  • Full platinum tip ensures virtually no gap erosion for long plug life.
  • Yttrium enhanced, high nickel alloy side electrode maintains precise gap to increase plug life.
  • Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts, quicker acceleration, and improved fuel economy.
  • Platinum alloy pad on ground electrode provides extended durability and service life and platinum-to-platinum firing.
  • Nickel-plated steel shell for long-life corrosion resistance.
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Autolite AP5224-4PK Platinum Spark Plug Pack of 4

  • Full platinum tip ensures virtually no gap erosion for long plug life.
  • Yttrium enhanced, high nickel alloy side electrode maintains precise gap to increase plug life.
  • Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts, quicker acceleration, and improved fuel economy.
  • Platinum alloy pad on ground electrode provides extended durability and service life and platinum-to-platinum firing.
  • Nickel-plated steel shell for long-life corrosion resistance.
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Autolite AP65-4PK Platinum Spark Plug, Pack of 4

  • Full platinum tip ensures virtually no gap erosion for long plug life.
  • Yttrium enhanced, high nickel alloy side electrode maintains precise gap to increase plug life.
  • Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts, quicker acceleration, and improved fuel economy.
  • Platinum alloy pad on ground electrode provides extended durability and service life and platinum-to-platinum firing.
  • Nickel-plated steel shell for long-life corrosion resistance.
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Autolite APP3924 Double Platinum Automotive Replacement Spark Plugs (4 Pack)

  • MAXIMUM PERFORMANCE: Every Double Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration. Full copper core electrode provides better performance in all conditions.
  • IMPROVED DURABILITY: Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode provides superior heat transfer.
  • CONSTRUCTION: These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion for longer plug life.
  • high nickel alloy side electrode maintains precise gap.
  • AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plugs needs.
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E3 Spark Plug E3.36 Powersports Spark Plug, Pack of 1

  • Replacement racing spark plug used by many professional car drivers.
  • Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions.
  • Contains an Yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition.
  • Thread Diameter- 12mm. Thread Reach- 0.750 inch. Hex Size- 5/8 inch.
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E3 Spark Plug E3.48 Automotive Spark Plug

  • Automotive spark plug that fits a variety of domestic applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions.
  • E3's patented DiamondFIRE edge-to-edge electrode provides maximum performance with increased efficiency, and a faster more complete burn.
  • Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for a reduction in side wire temperature for less pre-ignition.
  • Includes one (1) E3.48 spark plug with a limited lifetime warranty.
  • Primarily used in a wide variety of automotive and truck applications.
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Autolite AR3923-4PK High Performance Racing Resistor Spark Plug, 4 Pack

  • Replacement racing spark plug used by many professional car drivers.
  • Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions.
  • Contains an Yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition.
  • Features cut back ground electrode for improved ignitability of flame kernel.
  • Coated in an anti-corrosive nickel plating to prevent rusting.
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E3 Spark Plugs E3.53 Automotive Spark Plug 1 14mm .708”

  • FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of domestic applications, designed to increase power, reduce fuel consumption, and....
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 3 legs that help facilitate excellent heat transfer and increase....
  • INCREASED DURABILITY: Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for up to 8% reduction....
  • WHAT'S INCLUDED: One (1) E3.53 spark plug. Features 14mm thread diameter.
  • 0.708-inch thread reach plug with taper seat.
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E3 Spark Plugs E3.58 Automotive Spark Plug Pack of 1

  • FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of applications, designed to increase power, reduce fuel consumption, and improve....
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 3 legs that help facilitate excellent heat transfer and increase....
  • INCREASED DURABILITY: Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for up to 8% reduction....
  • WHAT'S INCLUDED: One (1) E3.58 spark plug. Features 14mm thread diameter.
  • 0.750-inch thread reach plug with gasket seat.
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Autolite AR3932-4PK High Performance Racing Non-Resistor Spark Plug, 4 Pack

  • Replacement racing spark plug used by many professional car drivers.
  • Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions.
  • Contains an Yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition.
  • Features cut back ground electrode for improved ignitability of flame kernel.
  • Coated in an anti-corrosive nickel plating to prevent rusting.
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