1984 Mercury Cougar Performance Ignition Systems

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    • (0 reviews)
      # mpn1458515
      Mercury Cougar 1984, Blaster™ Direct Ignition Coil by MSD®. High Performance. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $50.32
    • (4 reviews)
      # 803890411
      Mercury Cougar 1984, PlasmaCore™ Inconel Electrode Pulse Nickel Spark Plugs by Pulstar®. With Resistor. Inconel-electrode Pulse Plug. Designed specifically for most popular vehicles, PlasmaCore™ Inconel Electrode Pulse Plug...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # mpn1467496
      Mercury Cougar 1984, Street Fire™ Direct Bolt-On Ignition Coil by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $42.82
    • (0 reviews)
      # 839646594
      Mercury Cougar 1984, Super Coil Kit by Accel®. Accel Super Coils feature advanced bobbin technology, highly specialized silicone magnetic steel cores, along with optimized winding, resistance and turns ratios to deliver 10-15 percent...
      High temp epoxy resists shock and vibrationAdvanced bobbin technology
      $46.95 - $69.95
    • (0 reviews)
      # 906208971
      Mercury Cougar 1984 Spark Plug Wire Set by Accel®. These Accel 8.8mm wires feature a carbon/graphite core that virtually eliminate RFI noise while providing maximum conductivity for ultimate performance in any race or street...
      8000, 8800, & 8900 Series, 550°F-rated8.8mm yellow high temperature silicone jacket
      $81.45 - $88.70
    • (0 reviews)
      # 906241074
      Mercury Cougar 1984 MPG+™ Spark Plug Wires by Granatelli Motor Sports®. Granatelli O ohm wires are patent protected by United States Patent number 7,185,622. This patent covers our unique method of producing ignition wires of...
      Increases mileage 15%Direct OEM replacement, exceeds OEM specifications, OBD-II computer safe
      $77.43 - $171.95
    • (3 reviews)
      # 803882156
      Mercury Cougar 1984, 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...
      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
    • (0 reviews)
      # 86814277
      Mercury Cougar 1984 Super Conductor Spark Plug Wire Set by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $65.31 - $98.54
    • (0 reviews)
      # mpn4494108945
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, HEI Distributor by Speed FX®. With Ignition Control Module, Magnetic Trigger, Vacuum Advance, Chromoly Steel Gear, Polished Billet Aluminum Shaft, With HEI/Male Posts. Designed with...
      Provides effective power supply to each spark plugDesigned to strict quality standards
      $98.91
    • (0 reviews)
      # 803926723
      Mercury Cougar 5.0L 1984, U-Groove™ High Performance Copper Spark Plugs by Accel®. With Resistor. Accel HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark...
      The Copper core is a better conductor than Iridium or Platinum plugsCopper dissipates heat much better than other materials
      $3.38 - $26.25
    • (0 reviews)
      # 826575023
      Mercury Cougar 5.0L 1984, Flame-Thrower™ Automotive Billet Distributor by PerTronix®. Plug n' Play billet distributors are designed for maximum ignition performance at a price you can afford. The distributors are available with...
      Limited 1 year mechanicalDigital performance solutions give you more power and more features in a smaller package
      $287.93 - $307.00
    • (0 reviews)
      # 904805668
      Mercury Cougar Base / LS / XR-7 1984, TFI Ignition Coil by TSP®. TSP's Ford TFI (Thick Film Ignition) ignition coils are the top coils on the market today, featuring magnetic steel cores specially designed to deliver up to 15% more...
      Designed for ultra high efficiencyProvides better performance
      $22.87
    • (0 reviews)
      # mpn4494108611
      Mercury Cougar Base / LS 5.0L 1984, Pro-Billet™ Distributor Standart by MSD®. MSD engineers fit all of their high performance distributor experience into a special compact housing designed to be less obtrusive for Ford engines. The...
      Billet housing is 5/8” smaller in diameter than stock Ford distributorsMust be used with an MSD Ignition Control
      $301.95
    • (0 reviews)
      # 960746688
      Mercury Cougar Base / LS 1984 Street Thunder™ Ignition Wire Set by Taylor Cable®. Get great performance at an extremely affordable price with Taylor’s Street Thunder ignition wires. These 8mm wires deliver all of the performance in...
      Low-resistance Kevlar helically spiral wound core conductor500 ohms resistance for EMI and RFI suppression
      $31.61 - $43.87
    • (0 reviews)
      # mpn4511855816
      Mercury Cougar Base / LS 5.0L 1984, 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,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $15.64
    • (0 reviews)
      # 959905865
      Mercury Cougar 1984, U-Groove™ 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $11.55 - $32.43
    • (0 reviews)
      # mpn4498086871
      Mercury Cougar 2.3L / 3.8L 1984, Iridium Yttrium Performance Spark Plug by Brisk®. Iridium Yttrium Performance Spark Plug are the best solution for high performance and racing engines. Iridium Yttrium Spark Plugs provide many unique and...
      Iridium is 6X harder & 8X stronger than platinumLong lasting OEM performance replacement
      $10.99
    • (0 reviews)
      # mpn4498087311
      Mercury Cougar 2.3L / 3.8L 1984, Premium EVO Nickel Spark Plug by Brisk®. Unique Spark Plug Produced Patented Laser Technology Unique igniter auxiliary electrode at the tip of the insulator formed using the patented technology of laser...
      Perfect ignition of fuel mixture in engine cylindersUnrestricted flame throughout combustion chamber
      $14.99
    • (0 reviews)
      # 876473088
      Mercury Cougar 1984, Premium Racing LGS Spark Plug by Brisk®. Brisk Premium LGS spark plug has been developed after two-year cooperation with Lamborghini Morori Marini. Brisk Premium LGS spark plug utilizes extremely long glide-spark...
      High-Potential Semi-Surface discharge equals more powerDischarge at the point of richest mixture in 360° perimeter
      $13.99
    • (0 reviews)
      # mpn4498087286
      Mercury Cougar 2.3L 1984, 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...
      Silver is the best conductor of thermal heat & electricitySuperior ignition ability increases engine power
      $10.99
    • (0 reviews)
      # mpn4498087330
      Mercury Cougar 3.8L 1984, Yttrium Performance YTE Spark Plug by Brisk®. Brisk 3 Electrode spark plugs are an ideal choice for daily driven vehicles where slightly better fuel economy and gas mileage is desired, as well as for...
      Long life span, multiple points of dischargeNo indexing required
      $7.99
    • (0 reviews)
      # 803899075
      Mercury Cougar 1984, Copper Spark Plug by Autolite®. With Resistor. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are made of...
      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"
      $1.64
    • (0 reviews)
      # 959920863
      Mercury Cougar 1984, Platinum Spark Plugs by Autolite®. 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
      $3.01 - $6.06
    • (0 reviews)
      # mpn2268034
      Mercury Cougar Base / LS 5.0L 1984 300+™ Spark Plug Race Wire Set by Accel®. These Accel 300+ wire sets are custom tailored for race engines and their builders. The oversize 8.8mm wire is rated for 600 degrees F and 60kV. Resists...
      150 Ohms/ft. Of Resistance600 F Rated Silicone Jacket
      $109.95
    • (0 reviews)
      # 906232029
      Mercury Cougar 1984 Armor Shield Spark Plug Wire Set by Accel®. Accel Armor Shield wires feature a metallic braided wire that delivers maximum spark energy while providing a Pro Street look. Armor Shield Wire sets enhance the appearance...
      8mm, 450°F-ratedPro-street applications
      $79.86 - $89.79
    • (0 reviews)
      # 371795855
      Mercury Cougar 1984 Endurance Plus™ Wire Set by Accel®. Endurance Plus quality ignition wire sets are ready to install for most popular engine applications. Get these top-notch spark plug wires to achieve maximum performance out of...
      Quality retail aftermarket wire setsMaximum voltage and starting power
      $12.05 - $30.02
    • (0 reviews)
      # 819575995
      Mercury Cougar 1984 Prestolite ProConnect™ Spark Plug Wire Set by Accel®. ProConnect ignition wire sets meet or exceed OE/OES specifications, performance and quality. These cables match the original color and are designed to provide...
      Carbon impregnated fiberglass coreFiberglass braid for added strength
      $28.95 - $42.55
    • (0 reviews)
      # 89593266
      Mercury Cougar 1984 Super Stock™ Spark Plug Wire Set by Accel®. These Accel Super Stock wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good price. Silicone boots with...
      7mm and 8mm, 550°F-ratedStreet-driven applications
      +4
      $41.09 - $60.56
    • (0 reviews)
      # mpn4511861225
      Mercury Cougar Base / LS 5.0L With Ford Small Block Engine 1984 Mallory™ Ignition Pro Wire Set by MSD®. Burning spark plug boots in high heat applications is a thing of the past with Mallory’s high temp ceramic boot spark plug...
      8mm red silicon jacket withstands temperatures up to 550°FAvailable for popular Ford, Chevy and Chrysler applications
      $59.95
    • (0 reviews)
      # 906230097
      Mercury Cougar Base / LS 5.0L 1984 Street-Fire™ Spark Plug Wire Set by MSD®. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $41.74 - $48.17
    • (0 reviews)
      # 87806062
      Mercury Cougar 1984 High Energy™ Ignition Wire Set by Taylor Cable®. These wires are a top choice for either street or race applications. Each wire is cut to length and terminated with Taylor’s low-profile silicone Proboot with...
      Available For Street Or Track ApplicationsHigh Temperature and Oil Resistant Wire Insulation
      $25.63 - $40.51
    • (0 reviews)
      # 87806066
      Mercury Cougar 1984 Spiro-Pro™ Ignition Wire Set by Taylor Cable®. These plug wires are the top choice of racers and street enthusiasts for their high performance at an affordable price. With two layers of 100% silicone jacketing and...
      Available For Street Or Track ApplicationsSpiro-Wound With Stainless Steel Wire
      +5
      $42.18 - $73.62
    • (0 reviews)
      # 87806079
      Mercury Cougar Base / LS 5.0L 1984 Street™ Street Ignition Wire Set by Taylor Cable®. Taylor's 8mm Spiro-Pro wire and stainless braided covering with polished aluminum boot protectors will provide an amazing accent in your engine...
      8mm silicone wire100% Silicone boots w/SS dual-spring connectors
      $96.34 - $221.54
    • (0 reviews)
      # 87806055
      Mercury Cougar 1984 ThunderVolt™ Performance Performance Ignition Wire Set by Taylor Cable®. Gain horsepower and torque with Taylor’s Dyno-proven ThunderVolt racing plug wire sets. Low resistance for healthy spark and RFI/EMI...
      Exclusive copper/nickel alloy bonded by a conductive acrylic coverFerrite spiral-wound core provides low resistance for optimum RFI and RMI suppression
      +2
      $48.75 - $57.42
    • (0 reviews)
      # mpn4511861229
      Mercury Cougar With Ford Small Block Engine 1984 Spark Plug Wire Set by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $65.95
    • (0 reviews)
      # mpn2286122
      Mercury Cougar Base / LS / XR-7 1984, Super Stock™ Front Super Stock High Vibrational Ignition Coil by Accel®. Accel's Super Stock coils are high-performance replacements for OE canister style coils. Improves starting, idle, throttle...
      For Heavy Duty And Off Road UseCanister Style Coil
      $60.73
    • (0 reviews)
      # 904823317
      Mercury Cougar Base / LS / XR-7 1984, Super Stock™ Front Super Stock Ignition Coil by Accel®. Accel's Super Stock coils are high-performance replacements for OE canister style coils. Improves starting, idle, throttle response and top...
      Effective To 6500 RPM
      $28.34 - $32.54
    • (0 reviews)
      # 826603363
      Mercury Cougar 5.0L 1984, HEI Distributor by TSP®. With Coil.
      Designed for ultra high efficiencyProvides better performance
      +1
      $51.83 - $87.80
    • (0 reviews)
      # 826592214
      Mercury Cougar 5.0L 1984, Pro Series Pro-Billet™ Distributor by TSP®. W/O Coil. TSP's Pro Series Pro Billet Distributor is for the racer who needs added spark and precision for their high performance power plant. It features a high...
      Designed for ultra high efficiencyProvides better performance
      $105.18
    • (0 reviews)
      # 826561016
      Mercury Cougar 5.0L 1984, Pro Series™ Ready To Run Distributor by TSP®. W/O Coil. TSP's Pro Series Ready to Run Distributor is perfect for a street performance ignition upgrade. It features a CNC-machined billet aluminum body and...
      Designed for ultra high efficiencyProvides better performance
      $119.21
    • (0 reviews)
      # 826438587
      Mercury Cougar 5.0L 1984, Pro-Billet™ Distributor by TSP®. W/O Coil. TSP's Pro Billet distributor is designed to get the job done. They say there is beauty in simplicity - well, this small-cap distributor has it in spades. Lacking the...
      Designed for ultra high efficiencyProvides better performance
      $53.35
    • (0 reviews)
      # 826411695
      Mercury Cougar 5.0L 1984, Ready To Run Distributor by TSP®. W/O Coil. TSP's Ready to Run distributor is designed for easy installation. With the included ignition module, all you'll need to complete your set-up is a coil. Using simple...
      Designed for ultra high efficiencyProvides better performance
      $53.35
    • (0 reviews)
      # mpn1593900738
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, Vertex Distributor by Taylor Cable®. Ready to Run. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary...
      Housing Is Potted w/ A Premium Grade Epoxy EncasePrimary And Secondary Winding
      $355.15
    • (0 reviews)
      # mpn1753047443
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, Distributor by Professional Products®. Designed with expert craftsmanship this first-rate distributor provides effective power supply to each individual spark plug. Made from...
      Knob Provides Precise Timing SettingEasy installation
      $122.35
    • (0 reviews)
      # mpn1753047444
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, Powerfire II™ Distributor by Professional Products®. Designed with expert craftsmanship this first-rate distributor provides effective power supply to each individual spark plug....
      Knob Provides Precise Timing SettingEasy installation
      $122.35
    • (0 reviews)
      # mpn1589831592
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, Pro Race™ Circle Track Distributor by Fast®. When it comes to high end circle track racing where engines demand the most accuratetiming and reliable trigger signals, FAST™ Pro...
      The most accurate and advanced distributor for racingApproved for use in NASCAR competition
      $766.53
    • (0 reviews)
      # mpn474701987
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, Distributor by Big End Performance®. Provides reliable spark throughout the rpm range, so they’ll deliver the performance you need. This affordable distributor has many features...
      High quality at an affordable priceExpertly made from premium materials
      $234.08
    • (0 reviews)
      # 898380822
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, Billet Racing Distributor by Racing Power Company®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $79.00 - $88.42
    • (0 reviews)
      # 898335154
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, HEI Reliability Distributor by Racing Power Company®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced...
      50,000 Volt Coil built inCNC Machined Housing
      $78.32 - $99.48
    • (0 reviews)
      # 898299291
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, Small Cap for Small Place Distributor by Racing Power Company®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
      Small Cap Design for better fitRequires an External Coil
      $82.93 - $108.04
    • (0 reviews)
      # 717899464
      Mercury Cougar With Motorcraft Distributor 1984, TFI Ford Module by PerTronix®. Performance ignition modules are direct replacements for popular GM and Ford electronic distributors. These modules provide enhanced high RPM performance...
      Thick film technology on alumina ceramic substrates removes heat for greater accuracy and improved reliabilityLaser trimming gives precise peak current control for increased energy output
      $73.78
    • (0 reviews)
      # mpn1589832414
      Mercury Cougar 5.0L With Ford Small Block Engine 1984, Hi-6RC Ignition 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....
      High quality at an affordable priceExpertly made from premium materials
      $686.10
    • (0 reviews)
      # mpn4499183122
      Mercury Cougar 1984, Front Distributor Control Module by Accel®. This high performance ignition module provides your plugs with more spark over the stock module. The solid state electronics provide high coil out put and superior...
      Fits Most Stock And Modified DistributorsDwell Control Circuit
      $60.56
    • (0 reviews)
      # mpn2111567
      Mercury Cougar 5.0L 1984, Distributor Cap by Taylor Cable®. Periodic replacement of your distributor cap and rotor will keep your car running at peak efficiency. They should both be replaced at the same time.
      Made from alkyd moldingSuperior protection from cross firing and arcing
      $18.76
    • (0 reviews)
      # mpn2112200
      Mercury Cougar 5.0L 1984, Distributor Cap and Rotor by Taylor Cable®. Periodic replacement of your distributor cap and rotor will keep your car running at peak efficiency. Here’s a matched set of distributor cap and rotor. They should...
      Made from alkyd moldingSuperior protection from cross-firing and arcing
      $25.51
    • (0 reviews)
      # mpn2112217
      Mercury Cougar 5.0L 1984, Distributor Rotor by Taylor Cable®. Periodic replacement of your distributor rotor will keep your car running at peak efficiency. Deteriorated distributor rotors can cause misfires by allowing the spark to leak...
      Made from alkyd moldingSuperior protection from cross firing and arcing
      $13.12
    • (0 reviews)
      # mpn2111565
      Mercury Cougar 5.0L 1984, Dura Spark™ Distributor Cap by Taylor Cable®. Periodic replacement of your distributor cap and rotor will keep your car running at peak efficiency. They should both be replaced at the same time.
      Made from alkyd moldingSuperior protection from cross firing and arcing
      $18.76
    • (0 reviews)
      # mpn2112198
      Mercury Cougar 5.0L 1984, Dura Spark™ Distributor Cap and Rotor by Taylor Cable®. Periodic replacement of your distributor cap and rotor will keep your car running at peak efficiency. Here’s a matched set of distributor cap and...
      Made from alkyd moldingSuperior protection from cross-firing and arcing
      $21.91
    • (0 reviews)
      # mpn2112215
      Mercury Cougar 5.0L 1984, Dura Spark™ Distributor Rotor by Taylor Cable®. Periodic replacement of your distributor rotor will keep your car running at peak efficiency. Deteriorated distributor rotors can cause misfires by allowing the...
      Made from alkyd moldingSuperior protection from cross firing and arcing
      $11.97
    • (0 reviews)
      # mpn2869249648
      Mercury Cougar 5.0L 1984, Rotor by Hypertech®. These Hypertech rotor are capable of increasing the output voltage of your coil, so you can gain more power and fuel economy. The Hypertech rotor is designed to give you a steady,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.76




    Guides & Articles

    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

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      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...
      by Timothy Zahl
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      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...
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    • Ignition Parts
      June 28, 2014
      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...
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