Ford F-550 Performance Spark Plugs

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    • Autolite® - Iridium XP™ Spark Plug
      (3 reviews)
      # sp101623
      Iridium XP™ Spark Plug by Autolite®. These high-tech spark plugs feature iridium-enhanced 0.6mm finewire design and proprietary platinum sidewire technology to provide superior durability and a more focused ignition for better overall...
      One of the most high-tech spark plugs on the marketDesigned for better durability and overall ignitability, and optimum performance
      $5.31 - $7.63
    • Pulstar® - PlasmaCore Series Inconel Electrode Pulse Plug
      (32 reviews)
      # sp4894
      PlasmaCore Series Inconel Electrode Pulse Plug by Pulstar®. PlasmaCore Series Inconel Electrode Pulse Plug provides great fuel efficiency as well as better performance. Moreover this part will give you better throttle response and...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • Nitrode® - Performance Spark Plug
      (7 reviews)
      # sp13215
      Performance Spark Plug by Nitrode®. The Nitrode™ spark plugs is positioned to be the world's "greenest" most environmentally friendly spark plugs on the planet. Reducing fuel consumption and emissions while producing more power with...
      The Nitrode™ is made with a proprietary ceramic exclusively used for this spark plugThis unique ceramic is over 10% harder than any ceramic known today
      $8.09
    • Ford Performance® - Cold Spark Plug
      (0 reviews)
      # sp92371
      Cold Spark Plug by Ford Performance®. For use in engines with higher than stock cylinder combustion pressures or sustained high rpm. Turn your Ford into a high-performance street and drag strip monster with top-of-the-line Ford...
      Designed to help you get the most out of your vehiclePerfect for use in high-performance environments
      $81.38 - $134.40
    • Accel® - Ignition Tune Up Kit
      (0 reviews)
      # sp22878
      Ignition Tune Up Kit by Accel®. If you own a vehicle 15 years old or newer odds are it doesn’t have a distributor or, in some cases, ignition wires. In the old days the parts required for a tune-up consisted of points, condenser,...
      600 F Rated Silicone JacketStainless Steel Plug Terminals
      $69.95 - $139.95
    • Autolite® - Copper Resistor Spark Plug
      (0 reviews)
      # sp101621
      Copper Spark Plug by Autolite®. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are made of premium materials to ensure extreme...
      Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)Multi-rib insulator reduces danger of "flash-over"
      $1.39 - $3.33
    • Autolite® - Platinum Spark Plug
      (0 reviews)
      # sp101624
      Platinum Spark Plug by Autolite®. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker acceleration, and improved fuel economy...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $3.18 - $8.80
    • HKS® - Super Fire Racing Iridium Spark Plug
      (0 reviews)
      # 803904898
      Super Fire Racing Iridium Spark Plug by HKS®. HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable ignition for...
      0.6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability
      $22.72 - $28.74
    • Moroso® - Indexing Washers
      (0 reviews)
      # 803903167
      Indexing Washers by Moroso®. with this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically engineered to make your vehicle run better. If you are...
      Designed for use on all 0.551" spark plugs with 5/8" hexWith three thicknesses in each package, one will correct the electrode placement on any plug and simplify the time-consuming task of spark plug indexing
      $23.75
    • Moroso® - Spark Plug Indexer
      (0 reviews)
      # mpn358581881
      Spark Plug Indexer by Moroso®. with this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically engineered to make your vehicle run better. If you...
      High-compression drag race engines require "indexing" of spark plugs to prevent contact between piston dome and ground wire of the spark plugsMoroso's "Indexer," designed for both flat and taper-seat 14mm spark plugs, enables selection of spark plugs that will not make such contact
      $14.07
    • ARP® - Spark Plug Indexer Specialty Kit
      (0 reviews)
      # mpn1730097699
      Spark Plug Indexer Specialty Kit by ARP®. Designed utilizing the latest technology, this product by ARP features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $20.95
    • Autolite® - Iridium Spark Plugs with Resistor
      (0 reviews)
      # mpn4511855754
      Iridium Spark Plugs by Autolite®. with Resistor. These spark plugs are one of the brand's most technologically advanced spark plugs ever. With an iridium-enhanced 0.6 mm finewire design and proprietary platinum sidewire technology,...
      Iridium-enhanced center electrodePatented, platinum sidewire technology
      $5.31
    • Pulstar® - PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plug with Resistor
      (0 reviews)
      # mpn1965299
      PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plug by Pulstar®. with Resistor. Inconel-electrode Pulse Plug. Designed specifically for most popular vehicles, PlasmaCore™ Inconel Electrode Pulse Plug provides great fuel...
      Increased horsepowerBetter torque
      $14.95
    • Nitrode® - Performance Nickel Spark Plug
      (3 reviews)
      # mpn4551333839
      Performance Nickel Spark Plug by Nitrode®. Hotter Plug, higher heat range. The Nitrode™ spark plugs are positioned to be the world's "greenest" most environmentally friendly spark plugs on the planet. Reducing fuel consumption and...
      Delivers The Most Powerful SPARK EVER Directly to the Core of your Cylinder For a Complete Clean CombustionIncreases Horse Power
      $8.09
    • Nitrode® - Performance Nickel Spark Plug
      (1 review)
      # mpn1177915578
      Performance Nickel Spark Plug by Nitrode®. The Nitrode™ spark plugs are positioned to be the world's "greenest" most environmentally friendly spark plugs on the planet. Reducing fuel consumption and emissions while producing more...
      The Nitrode™ is made with a proprietary ceramic exclusively used for this spark plugThis unique ceramic is over 10% harder than any ceramic known today
      $8.09
    • Accel® - Tune Up Kit
      (0 reviews)
      # mpn2276220256
      Tune Up Kit by Accel®. Accel now offers the cure for burnt spark plug wire boots with Extreme 9000 Ceramic Wire kits. The 8mm Ferro-Spiral core wire now has ceramic boots on the spark plug end of the wires. The ceramic boots will...
      600 F Rated Silicone JacketStainless Steel Plug Terminals
      $69.95
    • Autolite® - Copper Spark Plug with Resistor
      (0 reviews)
      # mpn2046365108
      Copper Spark Plug by Autolite®. with Resistor. OE Style. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are made of premium...
      Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)Multi-rib insulator reduces danger of "flash-over"
      $1.39
    • Autolite® - Platinum Spark Plug with Resistor
      (0 reviews)
      # mpn2046365147
      Platinum Spark Plug by Autolite®. with Resistor. Optional. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker acceleration, and...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $8.37
    • Ford Performance® - Cold Copper Spark Plug Set
      (0 reviews)
      # mpn4511855915
      Cold Copper Spark Plug Set by Ford Performance®. Turn your Ford into a high-performance street and drag strip monster with top-of-the-line Ford Performance parts that will help you get the most out of it. Featuring the latest...
      Designed to help you get the most out of your vehiclePerfect for use in high-performance environments
      $123.13
    • Ford Performance® - Cold Copper Spark Plug Set with Resistor
      (0 reviews)
      # mpn584185434
      Cold Copper Spark Plug Set by Ford Performance®. with Resistor. For use in engines with higher than stock cylinder combustion pressures or sustained high rpm. Turn your Ford into a high-performance street and drag strip monster with...
      Unique design is proprietary to Ford 3-valve enginesOne heat range colder than the stock Mustang GT plug
      $134.40
    • Autolite® - Platinum Spark Plug with Resistor
      (0 reviews)
      # mpn2046365146
      Platinum Spark Plug (HT2) by Autolite®. with Resistor. OE Style. Manufactured with a center wire platinum firing tip, these platinum spark plugs reduce gap erosion for fewer misfires, while ensuring easier starts, quicker acceleration,...
      Designed for excellent performance and superior durabilityEnsure high temperature, pressure, and corrosion resistance for long-lasting service life
      $8.80
    • Autolite® - Platinum Spark Plugs with Resistor
      (0 reviews)
      # mpn4511855804
      Platinum Spark Plugs (APP103) by Autolite®. with Resistor. Provides a center wire platinum firing tip. Benefits include: reduced gap erosion, fewer misfires, better performance and more durability. Guaranteed for 4 years.
      High nickel alloy side electrode maintains precise gapFull platinum tip assures virtually no gap erosion
      $5.65
    • Autolite® - Platinum Spark Plugs with Resistor
      (0 reviews)
      # mpn4511855799
      Platinum Spark Plugs (AP103) by Autolite®. with Resistor. OE Style. Provides a center wire platinum firing tip. Benefits include: reduced gap erosion, fewer misfires, better performance and more durability. Guaranteed for 4 years.
      High nickel alloy side electrode maintains precise gapFull platinum tip assures virtually no gap erosion
      $3.22
    • HKS® - Super Fire Racing Iridium Spark Plug
      (0 reviews)
      # mpn469959992
      Super Fire Racing Iridium Spark Plug (50003-M45i) by HKS®. HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable...
      0.6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability
      $26.73
    • HKS® - Super Fire Racing Iridium Spark Plug
      (0 reviews)
      # mpn469959978
      Super Fire Racing Iridium Spark Plug (50003-M35I) by HKS®. HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable...
      0.6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability
      $22.85
    • HKS® - Super Fire Racing Iridium Spark Plug
      (0 reviews)
      # mpn469959982
      Super Fire Racing Iridium Spark Plug (50003-M40G) by HKS®. HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable...
      0.6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability
      $27.99
    • HKS® - Super Fire Racing Iridium Spark Plug
      (0 reviews)
      # mpn469959984
      Super Fire Racing Iridium Spark Plug (50003-M40i) by HKS®. HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable...
      0.6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability
      $26.73
    • HKS® - Super Fire Racing Iridium Spark Plug
      (0 reviews)
      # mpn469959989
      Super Fire Racing Iridium Spark Plug (50003-M45) by HKS®. HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable...
      0.6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability
      $26.73
    • HKS® - Super Fire Racing Iridium Spark Plug
      (0 reviews)
      # mpn469959985
      Super Fire Racing Iridium Spark Plug (50003-M40iL) by HKS®. HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable...
      0.6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability
      $26.73
    • HKS® - Super Fire Racing Iridium Spark Plug
      (0 reviews)
      # mpn469959990
      Super Fire Racing Iridium Spark Plug (50003-M45G) by HKS®. HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable...
      0.6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability
      $22.72




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    Ford F-550 Spark Plugs Reviews

    Average rating:    5 - 1 review
    5 of 5
    Upgrade from OEM Replacement
    In the Mazda 6 2005 Ford engine (factory standard in 2005), originally it had standard Motorcraft copper spark plugs. The Nitrode performance nickel spark plugs are an upgrade, a level or two above the factory Motorcraft spark plugs. As advertised/specified, these spark plugs (which I paired with new TSP ignition coils) did in fact offer better performance/gas mileage (in my case 50% increase in MPG) and smoother running engine. They do run a tad hotter, as specified, with engine temperature just being a tad hotter than what it was before. These plugs do have a drastically different (I think better) design than the factory Motorcraft spark plugs.
    Posted by Andrew (Parrish, FL) / October 29, 20182005 Mazda 6
    Was this review helpful for you? Yes
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