1974 Mercury Marquis Spark Plug Wires, Ignition Wires & Components

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    • (0 reviews)
      # 207447266
      Mercury Marquis 6.6L / 7.5L 1974, Spark Plug Wire Set by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your vehicle and...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $11.75 - $15.92
    • (0 reviews)
      # mpn524418943
      Mercury Marquis 6.6L / 7.5L 1974, Pro Series™ Spark Plug Wire Set by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your...
      The design of this set strictly follows the original specifications set by OEManufactured using OE-Style spark plug and distributor boots
      $11.51
    • (0 reviews)
      # 85541108
      Mercury Marquis 1974, Spark Plug Wire Set by Denso®. Complete Ignition Wire Set. Designed with precision and functionality in mind this product ensures ultimate durability and provides the highest level of quality. This product is...
      Improved coil efficiency reduces the need to generate high voltageDriving circuit is integrated into top of coil
      $18.79 - $19.07
    • (0 reviews)
      # 906246128
      Mercury Marquis 1974 409 Pro Race™ Ignition Wire Set by Taylor Cable®. Taylor’s biggest ignition wire is custom sets designed to fit muscle cars, performance cars, sports, compacts and truck applications. The .409-inch/10.4mm...
      Double spring locking terminal100% pure silicone 10.4 mm outer jacket
      $129.17
    • (0 reviews)
      # 87806805
      Mercury Marquis 1974 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
      $38.97
    • (0 reviews)
      # 87806808
      Mercury Marquis 1974 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
      $66.26
    • (0 reviews)
      # mpn2126688
      Mercury Marquis Base 6.6L 1974 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...
      Kevlar Helically Spiral Wound CoreDurable Silicone Double Layer Jacket
      $36.79
    • (0 reviews)
      # 87806819
      Mercury Marquis 1974 ThunderVolt 5™ Ignition Wire Set by Taylor Cable®. DYNO-Tested and Track Proven to provide 5 HP and 7 lbs. torque more than the competition, ThunderVolt 50 ignition wires provide the ultimate in spark energy....
      10.4mm diameter40 Ohms/ft.
      $145.14
    • (0 reviews)
      # 906108713
      Mercury Marquis Base 6.6L 1974 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...
      Exclusive copper/nickel alloy bonded by a conductive acrylic coverFerrite spiral-wound core provides low resistance for optimum RFI and RMI suppression
      +2
      $71.42
    • (0 reviews)
      # mpn1471504
      Mercury Marquis 6.6L / 7.5L 1974 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
      $48.17
    • (0 reviews)
      # 86814918
      Mercury Marquis 1974 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
      $105.95 - $117.95
    • (0 reviews)
      # 819527108
      Mercury Marquis 1974 300+™ Spark Plug Race Wire Set by Accel®. With Male Tower Or Point Style Distributor Cap. These Accel 300+ wire sets are custom tailored for race engines and their builders. The oversize 8.8mm wire is rated for...
      150 Ohms/ft. Of Resistance600 F Rated Silicone Jacket
      $105.95
    • (0 reviews)
      # 819521198
      Mercury Marquis 1974 Armor Shield Spark Plug Wire Set by Accel®. With Point Style Distributor Cap. Accel Armor Shield wires feature a metallic braided wire that delivers maximum spark energy while providing a Pro Street look. Armor...
      8mm, 450°F-ratedPro-street applications
      $94.11
    • (0 reviews)
      # 819513164
      Mercury Marquis 1974 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
      $30.02 - $30.95
    • (0 reviews)
      # 89660717
      Mercury Marquis 1974 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
      $86.54 - $90.87
    • (0 reviews)
      # 89594257
      Mercury Marquis 1974 Super Stock™ Spark Plug Wire Kit 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...
      8mm yellow, red, black and blue silicone jacketStreet-driven applications
      $31.35 - $60.56
    • (0 reviews)
      # 906123851
      Mercury Marquis 1974 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
      +1
      $41.09 - $60.56
    • (0 reviews)
      # 960814640
      Mercury Marquis 1974 8.5 Series 50 Race™ Spark Plug Wire Set by AFIS®. Developed for high performance street cars and racing cars, AFIS has introduced a comprehensive new range of spiral-core ignition wire sets that contribute very...
      Superior jackets resist dielectric failureBoth reactive layer and inductive windings can transmit current without interference
      $79.95
    • (0 reviews)
      # mpn1453210670
      Mercury Marquis 7.5L With Ford Big Block Engine 1974 Ultra 40™ Wire Set 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...
      Cost-effective version of our race proven Ultra 40 Race Wire, without heat sleeving8.65mm diameter wire with 40 ohms of resistance per foot
      $106.21
    • (0 reviews)
      # mpn358720401
      Mercury Marquis 1974 Flame-Thrower™ "Stock-Look" Spark Plug Wire by PerTronix®. Now you can get a "stock-look" spark plug wire, that performs! They have designed 7mm wires with the same core they use in 8mm wire. The only difference...
      Two current paths for reliability and redundancyPrimary path: Spiral wound stainless steel alloy
      $57.78
    • (0 reviews)
      # mpn2486669408
      Mercury Marquis 1974 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
      $129.20
    • (0 reviews)
      # 1020951800
      Mercury Marquis 1974 Performance 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...
      Direct OEM replacement, exceeds OEM specifications, OBD-II computer safeIncrease power to the spark plug up to 400% over stock
      $77.43 - $129.20
    • (0 reviews)
      # mpn4517151202
      Mercury Marquis 6.6L / 7.5L 1974, Spark Plug Wire Set by NGK®. NGK Wire Sets are built to meet stringent OEM tolerances for a variety of vehicles. They utilize a construction method known as "variable pitch" wire winding to create...
      Superior firing and fuel savingsOutstanding durability
      $23.14


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