1978 Mercury Monarch Spark Plug Wires, Ignition Wires & Components

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    • (0 reviews)
      # mpn1404106
      Mercury Monarch 5.0L 1978, Spark Plug Wire Set by Motorcraft®. 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...
      Direct OEM replacementMeets strict Ford Motor Company standards
      $24.94
    • (0 reviews)
      # 207448014
      Mercury Monarch 1978, 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 lifestyle, it is...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $12.28 - $28.50
    • (0 reviews)
      # 99007023
      Mercury Monarch 1978, 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 vehicle and...
      The design of this set strictly follows the original specifications set by OEManufactured using OE-Style spark plug and distributor boots
      $11.99 - $16.10
    • (0 reviews)
      # 703325477
      Mercury Monarch 1978, 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
      $18.74 - $24.15
    • (0 reviews)
      # mpn1593896529
      Mercury Monarch 5.0L with Small Block Engine with HEI Distributor 1978, Street Thunder 8mm Ignition Wire Set by Taylor Cable®. This products is an OEM and Performance company that was built on its founding heritage supported by a...
      Kevlar Helically Spiral Wound CoreDurable Silicone Double Layer Jacket
      $43.87
    • (0 reviews)
      # mpn2126684
      Mercury Monarch 5.0L 1978, Street Thunder 8mm Ignition Wire Set by Taylor Cable®. With Spring Lock Terminals. Get great performance at an extremely affordable price with Taylor’s Street Thunder ignition wires. These 8mm wires deliver...
      Kevlar Helically Spiral Wound CoreDurable Silicone Double Layer Jacket
      $41.77
    • (0 reviews)
      # 819630957
      Mercury Monarch 5.0L 1978, 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 lifestyle,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $41.74 - $48.17
    • (0 reviews)
      # 819532031
      Mercury Monarch 1978, 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,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $93.17 - $98.54
    • (0 reviews)
      # mpn1588771648
      Mercury Monarch 5.0L 1978, Graphite Suppression Spark Plug Wire Set by Accel®. Spark Plug Boot end: Variangle. With Male Tower Distributor Cap. Color: Yellow. Material: Graphite. Threaded Diameter: 8.8 mm. Accel Armor Shield wires...
      8mm, 450°F-ratedPro-street applications
      $86.54
    • (0 reviews)
      # mpn3739305046
      Mercury Monarch 4.1L 1978, Graphite Suppression Spark Plug Wire Set by Accel®. Material: Graphite. Threaded Diameter: 8.8 mm. Accel Armor Shield wires feature a metallic braided wire that delivers maximum spark energy while providing a...
      8.8 mm Graphite SuppressionSilicone Spark Plug Boots
      $89.79
    • (0 reviews)
      # 819588247
      Mercury Monarch 1978, 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 - $39.68
    • (0 reviews)
      # mpn2268061
      Mercury Monarch 5.0L 1978, Spiral Core 8.8mm Spark Plug Wire Set by Accel®. Threaded Diameter: 8.8 mm. With Male Tower Distributor Cap. These ACCEL 8.8mm wires feature a carbon/graphite core that virtually eliminate RFI noise while...
      500 Ohms/ft. Of Resistance550 F Rated Silicone Jacket
      $88.70
    • (0 reviews)
      # 89594558
      Mercury Monarch 5.0L 1978, Super Stock Spark Plug Wire Set by Accel®. Threaded Diameter: 8 mm. These Accel Super Stock wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good...
      7mm and 8mm, 550°F-ratedStreet-driven applications
      $41.09 - $60.56
    • (0 reviews)
      # mpn3739305045
      Mercury Monarch 4.1L 1978, Super Stock Suppression Spark Plug Wire Set by Accel®. Color: Yellow. Material: Graphite. Threaded Diameter: 8 mm. These Accel Super Stock wire sets are a true performance upgrade replacement for OE types....
      7mm and 8mm, 550°F-ratedStreet-driven applications
      $44.33
    • (0 reviews)
      # mpn2272653
      Mercury Monarch 4.1L 1978, Universal Fit 300+ Race Spark Plug Wire Set by Accel®. Spark Plug Boot end: Variangle. With Male Tower Or Point Style Distributor Cap. Color: Black. Threaded Diameter: 8.8 mm. These Accel 300+ wire sets are...
      150 Ohms/ft. Of Resistance600 F Rated Silicone Jacket
      $105.95
    • (0 reviews)
      # mpn1588771648
      Mercury Monarch 5.0L 1978, Universal Fit Graphite Suppression Spark Plug Wire Set by Accel®. Spark Plug Boot end: Variangle. With Male Tower Distributor Cap. Color: Yellow. Material: Graphite. Threaded Diameter: 8.8 mm. Accel Armor...
      8mm, 450°F-ratedPro-street applications
      $86.54
    • (0 reviews)
      # mpn1593914763
      Mercury Monarch 5.0L 1978, 409 Pro Race Ignition Wire Set by Taylor Cable®. Taylor’s biggest ignition wire is available in black, in custom sets designed to fit muscle cars, performance cars, sports, compacts and truck applications....
      Available For Street Or Track ApplicationsContinuous Heat Protection Up To 600 deg. F
      $129.17
    • (0 reviews)
      # mpn1593912477
      Mercury Monarch 5.0L 1978, Spiro-Pro™ 8mm 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...
      Available For Street Or Track ApplicationsSpiro-Wound With Stainless Steel Wire
      $73.62
    • (0 reviews)
      # 819647065
      Mercury Monarch 1978, 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 extremely...
      Increases mileage 15%Direct OEM replacement, exceeds OEM specifications, OBD-II computer safe
      $129.20 - $195.70
    • (0 reviews)
      # mpn4480780852
      Mercury Monarch 5.0L 1978, Professional™ Spark Plug Wire Set by ACDelco®. Built to match the Original Equipment in length and fit, ACDelco Professional Ignition Wire Sets also offer a performance advantage over many aftermarket products.
      Wire conductor, wire length and diameter help provide maximum spark delivery and protectionSpark plug distributor boot shape and materials provide proper fit, installation and water-tight seal
      $30.05
    • (0 reviews)
      # 819616960
      Mercury Monarch 1978, 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
      $129.20 - $195.70


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    1978 Mercury Monarch Spark Plug Wires Reviews

    Average rating:  4.5  4.5 - 4 reviews
    4.8 of 5
    Great
    Works great. One of the best and most helpful things I’ve ever bought.
    PPosted by Preston (Westminster, CO) / December 13, 2017
    2002 Toyota 4Runner
    Was this review helpful for you? Yes
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