Mazda RX-8 Performance Spark Plugs

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    • (30 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
    • (0 reviews)
      # sp12498
      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
      $25.97 - $46.49
    • (2 reviews)
      # sp131040
      Silver Racing Spark Plug by Brisk®. Brisk Silver Racing Spark Plugs are the best solution for high performance and racing engines. Silver Spark Plugs provide many unique and beneficial characteristics, Silver is taking sparkplug...
      Silver is the best conductor of thermal heat & electricitySuperior ignition ability increases engine power
      $9.91 - $16.20
    • (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
      $25.97 - $29.22
    • (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
      $23.63
    • (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
    • (0 reviews)
      # mpn1965305
      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
    • (0 reviews)
      # mpn4498087496
      Racing Spark Plug by Brisk®. With Resistor. Brisk Silver Racing Spark Plugs are the best solution for high performance and racing engines. Silver Spark Plugs provide many unique and beneficial characteristics, Silver is taking sparkplug...
      Silver is the best conductor of thermal heat & electricitySuperior ignition ability increases engine power
      $9.91
    • (0 reviews)
      # mpn4511855908
      Copper Spark Plugs by Accel®. Designed utilizing the latest technology, this product by Accel features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Resistor. Blister PackU-Groove Ground Electrode
      $11.80
    • (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
      $115.06
    • (0 reviews)
      # mpn469959997
      Super Fire Racing Iridium Spark Plug (50003-M50RE) 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
      $46.49
    • (0 reviews)
      # mpn469959994
      Super Fire Racing Iridium Spark Plug (50003-M45RE) 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
      $44.40
    • (0 reviews)
      # mpn469959998
      Super Fire Racing Iridium Spark Plug (50003-M525RE) 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
      $44.40
    • (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
      $25.97
    • (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
      $25.97
    • (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
      $27.19
    • (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
      $27.19
    • (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
      $25.97
    • (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
      $27.19
    • (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
      $27.19
    • (0 reviews)
      # mpn469959976
      Super Fire Racing Iridium Spark Plug (50003-M35) 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
      $25.97
    • (0 reviews)
      # mpn469959996
      Super Fire Racing Iridium Spark Plug (50003-M50HL) 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
      $29.22
    • (0 reviews)
      # mpn469959981
      Super Fire Racing Iridium Spark Plug (50003-M40) 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
      $25.97
    • (0 reviews)
      # mpn469959993
      Super Fire Racing Iridium Spark Plug (50003-M45iL) 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
      $25.97
    • (0 reviews)
      # mpn358582616
      Indexing Washers (71910) 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...
      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
      $23.63
    • (0 reviews)
      # mpn358582615
      Indexing Washers (71900) 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...
      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
      $23.63


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