2005 Subaru WRX Ignition Parts

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    • (0 reviews)
      # 73623663
      Subaru WRX 2005, Professional™ Conventional Spark Plug by ACDelco®. Gap 0.030. With coverage for most older vehicles on the road today and robust long-life design, ACDelco Professional Conventional Spark Plugs are an economical...
      Has a copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you’re looking for while improving its resistance to low-speed carbon fouling.Precisely engineered and manufactured to provide everyday reliability and efficient performance.
      $2.61 - $2.74
    • (0 reviews)
      # 73507422
      Subaru WRX 2.0L 2005, Professional™ Rapidfire™ Spark Plug by ACDelco®. Gap 0.044. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines...
      Ribless insulator that improves the plug-to-boot seal.Tapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage.
      $5.60
    • (0 reviews)
      # 113981341
      Subaru WRX 2005, Copper Resistor Spark Plug by Autolite®. Quantity: 1. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are...
      Designed for good conductivity and a strong spark for efficient combustionImprove engine power and fuel economy
      $2.33 - $3.16
    • (0 reviews)
      # 113983286
      Subaru WRX 2.0L 2005, Double Platinum Spark Plug by Autolite®. Quantity: 1. Thanks to their platinum-to-platinum firing, these spark plugs virtually eliminate gap erosion, reduce misfires, and provide improved durability and...
      Ensure improved durabilityProvide accurate firing for DIS engines
      $7.65
    • (0 reviews)
      # 23961191
      Subaru WRX STI 2.5L 2005, OE Specialty Iridium Spark Plug by Bosch®. Gap: 0.7 mm. Center Electrode Material: Iridium. Thread Diameter: 14 mm. Thread Length: 26.5 mm. Number Ground Electrodes: 1. Ground Electrode Material:...
      Bosch original equipment design, materials and processes represent the best of OE technology4X longer service life compared to standard copper plugs
      $9.53
    • (0 reviews)
      # 22273665
      Subaru WRX / WRX STI 2.5L 2005, Copper Plus Spark Plug by Champion®, 1 Piece. Thanks to the superior conductivity and performance from their copper core and the superior durability provided by nickel alloy center and ground...
      Designed for dependable performance and superior durabilityCopper core center electrode allows for an increase in conductivity and accurate control of heat range optimizing plug performance and longevity
      $2.58
    • (0 reviews)
      # 22261830
      Subaru WRX / WRX STI 2.0L 2005, Double Platinum Spark Plug by Champion®, 1 Piece. With platinum fine wire welded onto the nickel alloy center electrode and a platinum pad welded to the ground electrode, these products provide...
      Designed to provide dependable and long-lasting performancePlatinum center and ground electrodes ensure longer life
      $7.64
    • (0 reviews)
      # 111278691
      Subaru WRX / WRX STI 2005, Iridium Spark Plug by Champion®, 1 Piece. Hex Size: 0.625". Thread Size: 0.551". Seat Type: Gasket. Center Electrode Material: Iridium Firing Tip. Ground Electrode Material: Platinum Pad Surface. Resistor...
      Designed to provide dependable performance and long-lasting service lifeIridium center electrode and "laser-locked" platinum ground electrode ensure maximum life
      $8.38
    • (0 reviews)
      # 85542783
      Subaru WRX 2005, Spark Plug by Denso®, 1 Piece. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time...
      OE quality parts from top original equipment and aftermarket manufacturerFast shipping; 1-2 day delivery time regardless of where you’re located
      $2.54 - $13.64
    • (0 reviews)
      # 100097118
      Subaru WRX 2.0L 2005, G-Power Spark Plug by NGK®. 5K Ohm, Copper Core, Electrod Material: Platinum. Hex Size: 5/8". Overal Height: ISO. Heat Range: 6. Seat Type: Gasket. Reach: 19mm. Thread Size: 14. Shape: Trapezoid. Electrod...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions compared to a traditional plug
      $4.11
    • (0 reviews)
      # 100097117
      Subaru WRX 2.0L 2005, Iridium IX Spark Plug by NGK®. 5K Ohm, Copper Core, Electrod Material: Iridium. Hex Size: 5/8". Overal Height: ISO. Heat Range: 6. Seat Type: Gasket. Reach: 19mm. Thread Size: 14. Shape: Taper Cut. Electrod...
      Designed for outstanding acceleration, high fuel efficiency, and durabilityEnsure a consistently stable spark
      $8.83
    • (0 reviews)
      # 22274884
      Subaru WRX / WRX STI 2.5L 2005, Laser Iridium Spark Plug by NGK®. 5K Ohm, Copper Core, Electrod Material: Iridium. Hex Size: 5/8". Overal Height: ISO. Heat Range: 6. Seat Type: Gasket. Reach: 26.5mm. Thread Size: 14. Shape:...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions
      $13.37
    • (0 reviews)
      # 22274701
      Subaru WRX 2.0L 2005, Laser Platinum Spark Plug by NGK®. 5K Ohm, Copper Core, Electrod Material: Platinum. Hex Size: 5/8". Overal Height: ISO. Heat Range: 6. Seat Type: Gasket. Reach: 19mm. Thread Size: 14. Shape: Standard....
      Provide faster starts and quicker acceleration than a traditional plugEnsure better fuel economy and lower emissions compared to an original plug
      $13.37
    • (0 reviews)
      # 109322340
      Subaru WRX 2005, Direct Ignition Coil by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the...
      OE quality products from top original equipmentTop quality materials
      $58.90 - $62.92
    • (0 reviews)
      # 93509893
      Subaru WRX 2005, Ignition Coil by Delphi®. Delphi OE technology ignition products are validated to match the vehicles system. OE quality replacement parts for the right fit, form and function. Delphi coils provide OE performance,...
      Designed and endurance tested to resist the common stresses that cause failureEfficient coil design that ensures the power in the coil has a streamlined path to the spark plug
      $65.20 - $65.79
    • (0 reviews)
      # 97176791
      Subaru WRX / WRX STI 2005, Intermotor™ Ignition Coil by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $60.59
    • (0 reviews)
      # 66789983
      Subaru WRX / WRX STI 2.0L 2005, Coil Boot by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in...
      OE quality products from top original equipmentTop quality materials
      $13.03
    • (0 reviews)
      # 121003919
      Subaru WRX / WRX STI 2005, Direct Ignition Coil Boot Kit by Denso®. Complete Coil On Plug Boot Set - quantity 4 Boots. O.E. Replacement Part. A leader in direct ignition technology, Denso developed the auto industry's first compact...
      Improved coil efficiency reduces the need to generate high voltageDriving circuit is integrated into top of coil
      $46.08 - $57.85
    • (0 reviews)
      # 118035598
      Subaru WRX 2005, Knock Sensor by Genuine®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time and...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $137.31
    • (0 reviews)
      # 63130015
      Subaru WRX / WRX STI 2.0L 2005, Intermotor™ Ignition Knock Detonation Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $84.55
    • (0 reviews)
      # 63130093
      Subaru WRX / WRX STI 2005, Intermotor™ Ignition Starter Switch by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and...
      $40.63
    • (1 review)
      # 13907652
      Subaru WRX 2005, Hyperformance™ Spark Plug by ZEX®. 14mm Thread; 3/4 in. Reach; Gasket Seat Design; For Engines Using Nitrous/Turbos/Blowers.
      Igniter Core. Pure Copper And High-Quality NickelClean Fire. Spark Energy Cleans Center Electrode
      $7.11
    • (0 reviews)
      # 35769400
      Subaru WRX / WRX STI 2.0L 2005, OE Fine Wire Platinum Spark Plug by Bosch®. Pack of 1. Gap: 0.8 mm. Thread Diameter: 14 mm. Thread Length: 19 mm. Insulator Material: Ceramic. Ground Configuration: Standard. Center Electrode Tip...
      OE specific design360-degree continuous laser welded platinum tip for durability and long life
      $4.70
    • (0 reviews)
      # 106718858
      Subaru WRX 2005, Direct Ignition Coil by Karlyn STI®. Requires 4 per Vehicle. The ignition coil is one of the most important part in the ignition system. Ignition Coil aimed to provide the needed high voltage and ignition energy...
      Place directly on the spark plugHigh temperature resistant
      $31.36 - $32.68
    • (0 reviews)
      # 39118236
      Subaru WRX / WRX STI 2.5L 2005, Ignition Coil by Karlyn STI®. Requires 1 per Vehicle. Coil Pack replaces the distributor. It features electronically controlled pack of ignition coils controled by the car's computer and as...
      Increases the amount of horsepowersBetters combustion
      $66.65
    • (0 reviews)
      # mpn358953845
      Universal Replacement Ignition and Fuel Switch by ARC®. 1 Piece. SPST (On) (On) & SPST (Off) (On) Red Lighted 20 Amp. Auto-Rod carries a wide range of state-of-the-art controls and car wiring solutions for the street rod and race...
      Constructed from superior materialsMade to match OE specifications
      $49.60
    • (0 reviews)
      # 109940362
      Universal Standard Ignition Toggle Switch by Rebco®. 1 Piece. This product is designed with exquisite craftsmanship and key attention to detail to make sure it exactly replicates the original part. This product looks, fits, and...
      Constructed from superior materialsMade to match OE specifications
      $11.25 - $21.69
    • (0 reviews)
      # mpn358954359
      Universal Starter Push Button Switches with Cover by Rebco®. 1 Piece. This product is designed with exquisite craftsmanship and key attention to detail to make sure it exactly replicates the original part. This product looks, fits,...
      High quality at an affordable priceExpertly made from premium materials
      $11.25
    • (0 reviews)
      # mpn359118034
      Universal Ignition Switch with Keys by Painless Performance®, 1 Piece. Includes Key Lock Cylinder. Switch made from Aluminum. Dash mounted ignition switch with two keys.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $25.99
    • (0 reviews)
      # 66967891
      Universal 50,000V External Ignition Coil by BTP®. This supreme BTP part helps your ignition system to provide a powerful and well-timed spark for complete combustion and maximum horsepower in your vehicle. This performance part is...
      Designed to make your ignition system operate at its peakMade from superior materials
      $62.01
    • (0 reviews)
      # 144129506
      Universal ECU Ignition Coil by Haltech®. Designed utilizing the latest technology, this product by Haltech features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $55.70 - $103.84
    • (0 reviews)
      # 144129517
      Universal High Output CDI Coil by Haltech®. Designed utilizing the latest technology, this product by Haltech features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $24.92 - $55.70
    • (0 reviews)
      # mpn1589832482
      2 Bar MAP Sensor by Fast®. Used as boost sensor for boost proportional retard with optional TRC-1 and TRC-2 Timing Retard Control.
      High quality at an affordable priceExpertly made from premium materials
      $69.34
    • (0 reviews)
      # mpn1589831936
      Accelerometer Kit by Fast®. Reads g-forces for acceleration/deceleration, vertical motion and turns. The XFI™ 3-Axis Accelerometer Module gives you the ability to read g-forces for acceleration/deceleration, vertical motion and...
      The accelerometer module is shipped with the following itemsAccelerometer Module 
      $216.35
    • (0 reviews)
      # mpn358502509
      Air Cleaner by Fast®. Fits FAST™ 4-Barrel EFI Throttle Bodies (or other brands and carburetors). Hidden-fastener design has single recessed bolt with magnetic logo insert (includes FAST™ and COMP™); no exposed/visible or...
      Lighter weight than others on the market due to the use of die casting versus the common sand casting manufacturing procedure"Hidden" fastener design features a single "hidden" bolt that is creatively covered with a magnetic FAST™ logo insert on top of the cleaner, as opposed to the popular two-bolt designs that bolt from underneath the unit; No exposed or visible bolts or cumbersome wingnuts
      $198.73
    • (0 reviews)
      # mpn358502494
      Bump Stager™ Transbrake Controller by Fast®. The FAST™ Bump Stager provides improved staging accuracy by allowing users to access the patented "transcreep"function found in FAST™ XFI™ without the added expense of converting...
      Improves staging accuracy; allows access to patented "transcreep" function found in FAST™ XFI™Lets drag racers carefully pulse the transbrake; enabling the vehicle to move forward slowly during staging, creating a higher degree of repeatability than racers are able to achieve manually
      $455.99
    • (0 reviews)
      # mpn1589831923
      Can Interconnect Cable by Fast®. A CAN network allows different devices to communicte with each other. Each CAN-Enabled FAST™ device has a CAN plug and a CAN receptacle built into its wiring harness. Mate a plug from one device...
      High quality at an affordable priceExpertly made from premium materials
      $15.79
    • (0 reviews)
      # mpn1589831922
      Can Terminating Resistor Set by Fast®. A CAN network allows different devices to communicte with each other. Each CAN-Enabled FAST™ device has a CAN plug and a CAN receptacle built into its wiring harness. Mate a plug from one...
      High quality at an affordable priceExpertly made from premium materials
      $24.33
    • (0 reviews)
      # mpn1589832382
      Cap by Fast®. Available in charcoal gray, the FAST™ EFI Hat is the latest addition the EFI leader's apparel line. The stylish, stretch-fitted cap is designed for comfort and features a full-color FAST™ logo in a cool...
      High quality at an affordable priceExpertly made from premium materials
      $16.52
    • (0 reviews)
      # mpn1589831713
      Color Touchscreen Hand-Held Upgrades First-Generation EZ-EFI® Systems by Fast®. This kit is for the upgrade of the original EZ-EFI™ hand-held unit to a color touchscreen unit and includes the hand-held, harness, harness adapter...
      Direct ReplacementNo Need to Update the ECU
      $302.48
    • (0 reviews)
      # mpn358502529
      Converter Cable by Fast®. Includes (1) USB to Serial Converter cable. This item is included with every FAST™ XFI™ 2.0 purchase.
      High quality at an affordable priceExpertly made from premium materials
      $36.60
    • (0 reviews)
      # 156876939
      Universal E6 CD Ignition Control Module with Rev Limiter by Fast®. If you're concerned about redline RPM and the possibility of overreving the engine, the FAST™ E6 Ignition is also available with an adjustable rev limiter. Not...
      Built-in engine protecting rev limiter is adjustable in 100 RPM increments up to 9,900 RPMSequential rev limiting technology produces smooth, accurate rev limiting action
      $309.95 - $379.74
    • (0 reviews)
      # 156877918
      ECU by Fast®. FAST™ engineers designed the revolutionary XFI 2.0™ with improved and expanded functions, capabilities and adjustability. In addition, they upgraded the user interface for power adders, including advanced forced...
      Built-in wide-band O2Fully sequential and/or bank-to-bank capability
      $1,550.96 - $2,104.49
    • (0 reviews)
      # mpn358502534
      EZ-EFI Fuel Pump Kit by Fast®. Whether you want to install a new inline fuel pump, or retro-fit an in-tank pump into a fuel tank that was originally manufactured without a pump, FAST™ has an easy solution for you. All FAST™...
      High quality at an affordable priceExpertly made from premium materials
      $364.09
    • (0 reviews)
      # mpn1589832307
      EZ-EFI In-Tank Fuel Pump Kit by Fast®. Whether you want to install a new inline fuel pump, or retro-fit an in-tank pump into a fuel tank that was originally manufactured without a pump, FAST™ has an easy solution for you. All...
      High quality at an affordable priceExpertly made from premium materials
      $488.59
    • (0 reviews)
      # mpn1589831971
      EZ-EFI Self Tuning Fuel Injection System Kit by Fast®. The EZ-EFI Multiport Retro-Fit kit is offered to bring all the benefits of FASTs award winning EZ-EFI system to existing factory or aftermarket equipped multi-port fuel...
      High quality at an affordable priceExpertly made from premium materials
      $1,028.95
    • (0 reviews)
      # mpn358502486
      EZ-EFI Self Tuning Fuel Injection System Kit by Fast®. Does NOT Include Fuel System, Otherwise is a Complete EFI Conversion. This product is made of high-quality materials to serve you for years to come. Designed using...
      No tuning experience or laptop needed; Setup Wizard guides you through the start-up process and tunes itself as you driveBuilt-in diagnostics and "limp home" mode is designed to provide maximum engine protection in the event of trouble
      $1,748.68
    • (0 reviews)
      # 156877012
      EZ-EFI™ Fuel Pump Hose and Fitting Kit by Fast®. Specifically designed to fit seamlessly with all EZ-EFI™ systems so you never have to worry about leaks.
      High quality at an affordable priceExpertly made from premium materials
      $157.58 - $190.85
    • (0 reviews)
      # 156877041
      EZ-EFI™ Self Tuning Fuel Injection System Master Kit by Fast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...
      No tuning experience or laptop needed; Setup Wizard guides you through the start-up process and tunes itself as you driveBuilt-in diagnostics and "limp home" mode is designed to provide maximum engine protection in the event of trouble
      $2,135.84 - $2,300.47
    • (0 reviews)
      # mpn1589832074
      Engine Control System by Fast®. Blow-through applications that are traditionally carbureted now have the option to utilize an EFI setup. The FAST™ XFI Sportsman™ Blow-Through Supercharger EFI System replaces the carburetor...
      Replaces the carburetor with an easy-to-install EZ-EFI™ 2.0 throttle bodySupports up to 15 psi of boost and 1000 HP at the crank, making it twice as powerful as any other single throttle body blow-through option
      $2,031.37
    • (0 reviews)
      # mpn358502504
      Engine Control System by Fast®. Multi-Port Retro-Fit Kit allows owners of existing factory or aftermarket multi-port fuel injected applications and intake manifolds to experience the benefits of an EZ-EFI 2.0™ system with no...
      No Laptop or tuning experience required; Self tunes as you driveTouchscreen hand-held doubles as sensor dash with suction-cup mount
      $1,245.60
    • (0 reviews)
      # mpn1589832073
      Engine Control System by Fast®. A complete EFI kit for a 2 x 4 blower setup is now available in just one part number. The FAST™ XFI Sportsman™ Roots Blower Dual Quad EFI System replaces outdated carburetor technology on top of...
      Designed to replace outdated carburetor technology on top of a Roots-style blower in street/strip vehiclesUses 2 EZ-EFI™ Fuel 4-barrel throttle bodies with 87 lb./hr injectors for modern performance
      $2,509.99
    • (0 reviews)
      # 156878086
      Engine Control System by Fast®. Designed for muscle car, late model street and sportsman drag racing engines, along with boosted and individual runner throttle body applications, the FAST™ XFI™ Sportsman Engine Management...
      Easy-to-use programmable and custom-tunable unit fits perfectly between EZ-EFI 2.0™ and XFI™ segmentsUtilizes FAST™ C-COM™ software – comes packaged along with necessary USB connectively cable
      $1,607.61 - $2,738.14
    • (0 reviews)
      # 156877065
      Fan and Fuel Pump Wiring Harness Kit by Fast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $11.30 - $71.40
    • (0 reviews)
      # mpn358502528
      Fuel Pressure Regulator by Fast®. 30-70 PSI Adjustable Fuel Pressure Regulator, -6 SAE O-Ring Ports (1 Return, 2 Feeds). The FAST™ Adjustable Fuel Pressure Regulator is a premium aluminum regulator designed to exact...
      High quality at an affordable priceExpertly made from premium materials
      $127.68
    • (0 reviews)
      # mpn1589832279
      Fuel Pump by Fast®. 500 HP-Capable. FAST's In-Tank Retrofit Fuel Pump Kit is engineered specifically for adding a fuel pump inside fuel tanks that were manufactured without pumps. This universal in-tank fuel pump kit includes...
      High quality at an affordable priceExpertly made from premium materials
      $156.50
    • (0 reviews)
      # mpn1589832278
      Fuel Pump by Fast®. 600 HP-Capable. The FAST™ Street/Strip Fuel Systems utilize high-quality OEM style fuel pumps with filters and FAST™ regulators, as well as the system fittings, terminals, wiring, hoses and clamps. Fittings...
      High quality at an affordable priceExpertly made from premium materials
      $258.90
    • (0 reviews)
      # mpn1589832292
      Fuel Pump Kit by Fast®. 600 HP-Capable. The FAST™ Street/Strip Fuel Systems utilize high-quality OEM style fuel pumps with filters and FAST™ regulators, as well as the system fittings, terminals, wiring, hoses and clamps....
      High quality at an affordable priceExpertly made from premium materials
      $395.50
    • (0 reviews)
      # 156877738
      Fuel System Kit by Fast®. The FAST™ kits includes fuel pump, pre-filter, post-filter, Y-block and fuel regulator, as well as the system fittings and wiring harness. Best of all, the components used to create the FAST™ Complete...
      High quality at an affordable priceExpertly made from premium materials
      $904.43 - $1,208.06
    • (0 reviews)
      # 156877146
      HI-6L Oval Track Rev Limited Ignition by Fast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Non adjustablePreset rev limiter in factory "sealed" unit, per sanction rules
      $269.53 - $309.95




    Guides & Articles

    • Performance Ignition Systems
      The Benefits of a Performance Ignition Distributor
      Since their inception at the start of the 20th century, motor vehicles with gasoline burning engines have needed a precise way to deliver an electrical spark to each of the engine's cylinders. (Note that diesel engines do not rely on an electrical spark to ignite the fuel-air mixture.) For much of the past 100 years, the spark has been delivered by the ignition distributor. The distributor is always mechanically linked or timed to the engine's rotation so that the spark is sent at the exact moment it is needed.
    • Ignition Parts
      Auto Parts: Dealer vs. Aftermarket
      The question of whether to buy parts from an automotive dealer vs. ones from aftermarket manufacturers is as age-old as the automobile itself. Below, we'll take a look at things worth considering to help you make a better choice if you're facing that same question. Automobile manufacturers and dealerships always advertise the fact that their parts are "genuine" because they were made by the exact same production facility that made the parts installed on the assembly line.
    • Performance Engine Parts
      Performing a Basic Engine Tune Up
      This article will guide you through a generic tune up on most any car or light duty gasoline-powered vehicle built within the last 20 years or so. We will presume that you are tuning up your engine because it has reached the mileage or time point to do so, and that you are NOT performing a tune up to cure an engine performance defect. We make this distinction because not all running/performance issues will be solved via a simple tune up.
    • Ignition Parts
      Understanding The Different Types Of Spark Plugs
      Since the dawn of the automobile, spark plugs have been an integral part of gasoline engines because they conduct the electrical energy from a vehicle’s ignition system needed to finalize the combustion process. After the gas/air mixture has been fully compressed inside the cylinder head, spark plugs serve a miniature bolt of lightning to create an explosion which pushes a piston downward.

    Popular Products

    2005 Subaru WRX Ignition Parts Reviews

    Average rating:  4.5  4.5 - 4 reviews
    4.8 of 5
    2 Terminal Heavy Duty Ignition Switches
    My previous switch lasted a year or so but quit working so I replaced it with Longacre Weatherproof Switch. Took a nice off-road ride today, about 120 minutes. Connections is good and wires are not hot. I recommend it to everybody.
    RPosted by Rev.Michael (Salem, SD) /
    2011 Jeep Wrangler
    Was this review helpful for you? Yes
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